Tag: continental route of migration

This fourth part of the story focuses on possible influences during and after the bronze age, up to approximately 650 CE, the estimated birth date of the most recent common ancestor that is asociated with haplogroup G-7648 at the end of the phylogenetic gap. Some of these influences are:

• The enduring effects of the Bronze Age Bottleneck;
• The enduring impact of the Corded Ware and Bell Beaker migrations on limiting the proliferation of G haplogroup subclades in susequent generations; and
• Environmental impacts and changes in the delta landscape.

The 2,850 year Gap between G-FGC7516 and G-Z6748:  The most common recent ancestor associated with G-FGC7516 was born around 2200 BCE. The next genetic ancestor on the Griff(is)(es)(ith) YDNA line was associated with the genetic SNP mutation defining the G-Z6748 haplogroup, 2,850 years later. This gap of undocumented YDNA ancestors represents about 95 generations.

The Enduring Impact of YDNA Demographic Patterns Restricting G2a Subclade Proliferation in the Muese Rhine Watershed Area

1. Unique Persistence and Admixture of Hunter-Gatherer and Farming Y-Haplogroups

The Meuse-Rhine watershed area exhibited a distinctive demographic pattern compared to much of Europe when early G2a haplogroup farmer groups initially migrated into the area. There was a significant, long-term persistence of local hunter-gatherer YDNA ancestry. For thousands of years, the Rhine-Meuse region (covering the western and central Netherlands, Belgium, and western Germany) maintained a population with very high hunter-gatherer ancestry, up to fifty percent, much longer than surrounding areas, due to limited integration of early farmer ancestry (e.g. G2a lineages). The unique persistence and admixture of hunter-gatherer and farming Y-haplogroups is an unique characteristic of the Meuse-Rhine area throughout the Neolithic and Chalcolithic periods. [1]

The Y-DNA haplogroups representing the local mix of European hunter-gatherers and early European farmers were primarily I2, C1, and G2a. These YDNA lineages reflect the blending of Mesolithic hunter-gatherer males and Neolithic agriculturalist males before the large influx of Steppe ancestry in the Bronze Age. The main I2 Y-DNA lineage was found among Western, Central, and Eastern European Mesolithic hunter-gatherers. They persisted widely through the Neolithic and into the Copper Age, especially in areas with continued high hunter-gatherer ancestry. Haplogroup C1 was much rarer haplogroup but was detected in some Western and Northern European Mesolithic and Early Neolithic remains, showing deep Paleolithic roots in Europe. [2]

The G2a Early European Farmer (EEF) male lineage, the lineage representing the Griff(is)(es)(ith) paternal line, was among the Anatolian/Levantine-derived early Neolithic farmers who spread agriculture into Europe through northern and sourthern Europe, especially in Linearbandkeramik (LBK), Cardial, and other early Neolithic cultures. [3] The F and J haplogroups, less common but also observed among some early farmer groups, were present particularly in southern and southeastern Europe. [4]

As mentioned in the video above, regions such as the Meuse-Rhine area, Central Europe, and France showed intermixed communities during the Neolithic and Chalcolithic periods, with both I2 (hunter-gatherer) and G2a/F (farmer) haplogroups detected among males. The presence of both I2 and G2a haplogroups in later Neolithic era sites indicates communities with significant admixture between local hunter-gatherers and arriving farming peoples.

In regions with high western hunter-gatherer and early European farmer admixture, especially before the steppe-related R1b spread, Y-DNA lineages I2 and G2a were typical representatives of the local male genetic landscape. As reflected in table one, ancient DNA (aDNA) from the Neolithic and Chalcolithic Meuse-Rhine region shows that males predominantly belonged to haplogroups I2a, R1b-V88, and C1a—all linked to European hunter-gatherers [5]

Table One: Haplogroup Presence in the Mesue Rhine Watershed Area

Period/Population	Y-DNA Haplogroups	Description
Mesolithic	I2a, C1a, R1b-V88	Western Hunter-gatherer (WHG) dominant
Early Neolithic Mix	I2a, C1a, R1b-V88 + minor representation of G2a	40–50% WHG, 50–60% Early Eurpean Farmer (EEF) admixture
Post-Neolithic Beaker	R1b-L151	Steppe ancestry dominant, local mix wanes

The G2a haplogroup was present in the local Neolithic and Chalcolithic populations of the Meuse-Rhine area, but it was not as dominant there as in many other parts of Europe. While early European farmers across the continent are strongly associated with G2a, ancient DNA from the Rhine-Meuse region during the Neolithic instead shows a much higher persistence of hunter-gatherer lineages such as I2a and C1a, with G2a present but at relatively lower frequency. This may partly explain the dearth of discovered subclades in the Griff(is)(es)(ith) paternal migratory line of descent through this area of western Europe.

“The great winner during the Neolithic period was haplogroup I2a, which consistently shows up alongside G2a in most Neolithic sites tested to date (Starčevo, Körös, Lengyel, LBK, Cardium Pottery, Megalithic), and seem to increase in frequency over time and as one moves towards Northwest Europe.“

“(A)lthough I2a was just one of many Mesolithic hunter-gatherers’ lineages in Europe when agriculturists arrived, it is the only one that readily embraced the new lifestyle and managed to supersede the original farmers in number. I2a’s destiny was not only linked to its ability to chum with G2a, but we could say that G2a farmers catalysed I2a’s success. I2a people integrated G2a tribes, learned the new Neolithic techniques from them and became so good at them that over time the student overtook the master.“ [6]

The Rhine-Meuse region’s river-dominated landscapes significantly shaped the adoption and adaptation of Neolithic farming practices through ecological constraints, specialized subsistence strategies, and the blending of hunter-gatherer and farming cultural practices. The dynamic wetland/riverine environment (marshes, peat bogs, and seasonal floods) hindered full-scale Neolithic agriculture. Communities developed a mixed subsistence strategy combining:

• Limited crop cultivation on elevated river dunes/levees;
• Cattle husbandry optimized for wetland conditions (grazing on salt marshes, occasional winter foddering); and
• Persistent hunting, fishing, and foraging in resource-rich aquatic ecosystems.

This “extended broad spectrum” approach allowed populations to exploit the landscape without abandoning traditional Mesolithic practices. [7]

2. Impact of Bell Beaker Culture Migration and YDNA Replacement: A Local Admixture Event Resulting in New Populations with Dominant Steppe Ancestry

During the arrival of the Corded Ware complex, local individuals in this region adopted elements of the material culture but exhibited very little steppe ancestry, unlike Corded Ware sites elsewhere. Bell Beaker-associated populations in this region around 2500 BCE were formed by a mixture of Corded Ware-related migrants with steppe ancestry and the persistent local ‘Neolithic substrate’, with the local contribution modelled at 9 to 17 percent. Bell Beaker men in the Rhine-Meuse region mostly carried the R1b-L151 (especially P312) Y-chromosome, absent in earlier Neolithic populations but present among Central European Corded Ware groups, indicating a strong but not exclusive external influx. [8]

In much of Northwestern Europe, Bell Beaker and R1b haplogroup expansion involved almost total population and male lineage replacement. In contrast, as reflected in table two, the Rhine-Meuse area saw a transformative but partly local admixture event, resulting in new populations with dominant steppe ancestry (about 83–91 percent) but still a recognizable input from the enduring local hunter-gatherer- early European farmer influenced population. This “fusion zone” became a launching pad for further population expansions into regions such as Britain, where the Bell Beaker-associated transformation was even more complete. [9]

Table Two: Distinctive Demographic Impact in Muese Rhine Watershed Area

Region	Pre-Beaker Population	Beaker/Early Bronze Age Pattern	Estimated Ancestry Turnover	Local Genetic Input
Meuse-Rhine	Hunter-Gatherer ‘Rich Mix’ with Early European Farmers	Bell Beaker: R1b, steppe ancestry + local admixture	83–91% turnover	9–17%
Britain	Neolithic Farmers	Near-total replacement by R1b-rich, steppe Beaker	90–100% turnover	0–9%
Central Europe	Neolithic Farmers + WHG	R1b predominance, steppe ancestry via Corded Ware	Very high	Minimal

The Meuse-Rhine region stands out for its partially blended transformation during the Beaker phenomenon, marked by fusion rather than just replacement, with steppe-derived R1b Y-haplogroups and ancestry still predominating in the end. This admixture pattern was unusual for Europe. In most regions, Neolithic migration led to the overwhelming dominance of farmer-origin lineages (e.g. G2a), with much lower persistence of I2 or other hunter-gatherer Y-DNA. In the Meuse-Rhine, admixture continued for centuries, and the local hunter-gatherer Y-haplogroups persisted at high levels until the arrival of Bell Beaker people with predominantly steppe and R1b-L151 ancestry.

3. The Enduring Impact of Post-Bronze Age Influences

The decline of G2a subclades in the Netherlands was not a single event but a cumulative process over generations. It began with the Bronze Age migrations that replaced many Neolithic paternal lineages, and was further influenced by demographic, environmental, and social changes in subsequent time periods.

Pre-existing populations, including those with high frequencies of G2a, may have faced bottlenecks, diseases, or environmental changes that reduced their numbers, making them more susceptible to genetic replacement. For example, archaeological evidence from the Netherlands points to periods of population decline and settlement abandonment during the Roman Empire’s collapse, which further complicated and reshaped the genetic landscape. [10]

Genetic drift, the random fluctuation of gene variant frequencies in a population, would have also contributed to the decline of G2a. In small, isolated communities, the loss of certain lineages due to chance events or the failure of a male line to reproduce can have a significant impact. Shifts in reproductive dynamics, including new social structures and marriage patterns brought by the migrating populations, may have further disadvantaged the older G2a paternal lines. [12]

Subsequent migrations during the Iron Age and the early Middle Ages—such as the arrival of Germanic tribes (including Angles, Saxons, and Franks)—continued to shape the genetic makeup of the Low Countries in the Muese Rhine watershed area. This further diluted or replaced the genetic signatures of earlier groups, cementing the marginalization of older lineages like G2a. [13]

A recent study by Eveline Altena and associates provides an in-depth look at paternal genetic continuity in the Netherlands across a span of 1,300 years. The key findings indicate remarkable stability of male lineages. The team analyzed the Y-chromosomes of 348 men from 13 Dutch locations dated 500 CE–1850 CE, alongside modern YDNA data, to trace paternal ancestry across millennia, see illustration one. [14]

Illustration One: Observed Y-Haplogroup Frequencies in Three Historical Periods in the Middle Ages in the Netherlands

The study found that the male population of the Netherlands showed limited change from the Early Middle Ages to modern times. Based on the study’s findings, fluctuations in haplogroup frequencies mostly resulted from genetic drift rather than large-scale migration or population replacement.

The study also supports the impression that the medieval Netherlands practiced patrilocality—men stayed put in localized areas and women moved for marriage. Regional male lineages were reinforced and preserved by limited male mobility, while mitochondrial (female) variation was more diffuse.

“The population substructure and gradients for many of the individual YHGs (Y haplogroups) we found in our study are in strong contrast with the apparent lack of genetic-geographic patterns for mtDNA data . . . . This could be an indication of different demographic histories for women and men. One could think, for example, of the patrilocal residence system, which is typical for farming societies, such as the Dutch. In these societies sons stay with their family and daughters move to the residence of their husbands. Also, genetic drift may have acted differently on mt-DNA than on Y-chromosomes.” [15]

Regional male lineages were reinforced and preserved by limited male mobility, while mitochondrial (female) variation was more diffuse. Over centuries, Dutch male lineages were shaped less by mass migration than by chance and social practice, setting them apart from regions with more turbulent demographic histories. [16]

In an earlier published article in 2019 and 2020, Altena and associates completed a geographic analysis of Y-chromosome haplogroup (YHG) distribution across the Netherlands. Using data from 2,085 males and integrating information from northern Belgium, the study found distinct geographic patterns in Y-chromosome distribution, with multiple Y-haplogroups showing significant clinal frequency gradients (i.e., gradual changes in frequency across regions). [17]

While previous research found limited or no mitochondrial DNA (maternal-line) spatial patterns or substructure, the pronounced Y-chromosomal substructure points to different population histories for men and women in the Netherlands. Contrasting male and female lineage patterns suggest sex-biased demographic histories, with male lineages undergoing more pronounced geographic differentiation, perhaps reflecting historical migration, social, or cultural practices.

Prediction surface maps were used to visualize the complex distributions of individual Y-haplogroups in detail, revealing non-random patterns throughout the country for almost every haplogroup examined. Y-chromosome diversity in the Netherlands shows a significant micro-geographic structure, with several haplogroups (e.g., R1b variants) displaying regional gradients.

Illustration Two: Prediction Surface Maps of the Four Most Frequent Y Haplogroups in the Dutch Dataset

Y-haplogroups “G-M201, J2-M172, R1b-M269, and R1b-S116 increase from north to south, R1b-M405 Total and R1b-L48 increase from south to north, I-M170 increases from southwest to northeast and R1b-S116 Total, R1b-U152 and R1b-M529 increase from northeast to southwest. . . . From all the YHGs for which prediction surface maps were created, only YHG R1b-M529 is more or less evenly distributed over the Netherlands. All other YHGs show more distinct patterns of distribution.” [18]

Altena and associate researchers point out that the haplogrup G-M201 which the Griff(is)(es)(ith) paternal line is part of “is relatively rare in Europe, with average proportions below 5% in northwestern Europe, which is consistent with our findings. Because proportions are low throughout the most of Europe, there is no clear gradient, but overall it increases from northwest to southeast (in the Netherlands and Belgium) . . . .“. [19]

Today’s clear-cut geographic patterns in Dutch Y-DNA formed late, likely as the result of more recent events and not from deep medieval roots. [20]

The Use of Archaeological Time Periods Associated with this Phylogenetic Gap

The loose reference at the begining of this story to a time period “during and after the bronze up to 650 CE” can be referenced by and viewed through the following archaeological time periods in table three. The approximate dates for the three Bronze Age periods, the two periods of the Iron Age, the Roman era and the Merovian perod in the Meuse-Rhine river watershed are based on archaeological and historical studies. These approximate time ranges reflect scholarly consensus for distinctive time periods for the Meuse-Rhine watershed, though there may be slight regional variation within the area.

Utilizing archaeological time periods offers the advantage of organizing human history into discernible phases. Archaeological time periods (like the Stone, Bronze, and Iron Ages) help organize the development of human societies in a clear chronological framework, making it easier to compare changes across time and regions. These periods enable archaeologists to interpret artifacts and features within a broader cultural and technological context, offering insight into the evolution of societies, technologies, and economies. Standardized periods facilitate the communication of archaeological findings to both academic communities and the public, enhancing understanding of complex historical developments. [21]

However, there are obvious limitations associated with the use of archaeological time periods. Broad periods like “Stone Age” or “Iron Age” can mask local and regional diversity, as technological advancements and cultural practices often occurred at different times in different places, leading to overlaps that the periods cannot accurately reflect. Assigning boundaries to these periods involves subjective decisions based on material culture, which can introduce bias and debate among scholars. [22]

Table Three: Archaeological Periods in the Meuse Rhine Watershed Area During the Phylogentic Gap for the Griff(is)(es)(ith YDNA Lineage

Archaeological Period	Approximate Dates	Archeaological Description
Early Bronze Age	2200–1600 BCE	At the beginning of the Bronze Age, the Meuse-Rhine area was at a cultural crossroads and was influenced by broader European traditions. The Beaker culture dominated much of Western and Central Europe and is considered a transitional culture between the late Neolithic and the early Bronze Age. While primarily present further east, the Corded Ware culture also influenced the early Bronze Age in parts of the region, with archaeologists sometimes tracing burial rituals back to these roots.  Communities were settled along elevated stream ridges and river banks, engaging in mixed farming and livestock herding, reflecting the broader transition to more sedentary life seen kin other parts of north and central Europe. There was the persistence of distinctive local cultures with high levels of hunter-gatherer ancestry, in contrast to the rest of Europe where farming ancestry became dominant earlier. The area’s wetlands and rivers promoted more isolated populations with limited early integration of outside groups. [23]
Middle Bronze Age	1600–1300 BCE	The region experienced a significant increase in settlements, with numerous house sites discovered in the river delta, facilitated by technological advances such as improved bronze tools and animal husbandry. Elp culture (northern sector): Located in the northern and eastern Netherlands, this culture existed from approximately 1800 to 800 BCE. Hilversum culture (southern sector): Centered in the southern Netherlands and northern Belgium, this culture has been linked to the Wessex culture of southern England. Long-distance contacts and cultural exchange increased, reflected in the archaeological record by the emergence of ‘pan-European’ material culture, but settlements declined toward the end of this period hints at possible floods or ecological stresses. Large-scale deforestation for agriculture is evident, paralleling the broader trend of expanding farmland and increased social complexity. [24]
Late Bronze Age	1300–800 BCE	The Urnfield culture became the dominant cultural tradition across Central Europe and extended into the Meuse-Rhine area during the Late Bronze Age. A local sub-group known as the Lower Rhine Group developed within the Urnfield tradition. The Urnfield period saw an increase in social stratification and widespread trade networks. It is also characterized by the appearance of fortified hilltop settlements and advanced bronze metalworking. A sharp decline in settlements is noted in the region, partly attributed to climate change, flooding, and changes in river dynamics, but also possibly to changing social structures or shifts toward more mobile ways of life. Evidence points to sustained but reduced habitation, with human activity focused on certain elevated or defendable sites. This aligns with the general Bronze Age trend toward urbanization and sociopolitical stratification, but environmental instability made large, permanent settlements less sustainable. There was significant contact with neighboring areas, visible in material culture and genetics, corresponding with the general increase in social complexity and long-distance exchange in the wider Bronze Age world. [25]
Iron Age [26]	Early Iron Age (Hallstatt period): 800-500 BCE Late Iron Age (La Tène period): 450 -50 BCE	The Meuse-Rhine area served as a transitional zone between the Celtic south (La Tène) and the Germanic north (Hallstatt), resulting in a unique blend of traditions. The area saw continuity from prehistoric populations with new influences entering gradually, rather than abrupt cultural shifts. Settlements in the Meuse-Rhine Iron Age area were typically small and lacked the major fortified oppida found further south in La Tène regions. Archaeological surveys note a decline or transformation in settlement patterns in the early Iron Age, with fewer large settlements and more dispersed smaller sites, contrasting with the denser occupation of the Late Bronze Age. [27] The region experienced significant environmental changes such as increased flooding and sedimentation in the river valleys, likely due in part to enhanced human land use such as farming and deforestation. Archaeological evidence shows locally produced material goods, e.g. pottery, basic iron tools, and simple burial rituals rather than elaborate grave goods. The adoption of La Tène cultural elements—occurred only to a limited degree, reflecting modest trade and cultural interaction with Celtic areas.
Roman Era [28]	55 BCE–459/461 CE	The Roman Era in the Meuse-Rhine Watershed was defined by advances in water management, the creation of complex settlements along the Roman frontier, multicultural dynamics, and a blend of indigenous and Romanized landscape use, leaving a distinctive archaeological legacy.
Late Antiquity/Post-Roman Transition	460–500 CE	Collapse of Roman state authority, significant depopulation, urban and rural structures deteriorated, the Roman limes (frontier) ceased to function [29]
Early Merovingian Period	500–650 CE	Region became part of Frankish kingdom, under Merovingian rule. Settlement patterns shifted, with new rural settlements developing—sometimes continuing from or near former Roman sites—and local communities reorganizing around new Frankish leadership structures. The area retained the Roman “pagi” (district) administrative structure, following both old Roman and Germanic tribal traditions in leadership and justice, with leaders initially selected by local warriors. The chaotic social context, continually punctuated by small-scale warfare, fostered the rise of a local warrior elite—the precursors to later medieval nobility—rewarded with land for military service. [30]

While archaeological time periods help bring order and clarity to the study of human prehistory and history, they are best used as flexible frameworks rather than rigid chronological boundaries, always considering the limitations and regional variations they entail. Regional chronologies—such as division into Early, Middle, and Late Bronze Age—are not uniform and may overlap or differ in exact dating due to differing archaeological traditions and the tempo of cultural change and adoption of technicalogcal change as reflected in archaeological artifacts.

The limitations of utilizing ‘time periods’ can be specifically demonstrated when looking at the ‘bronze age’ in the Meuse-Rhine watershd area. The Bronze Age in Europe shows significant regional variation in both its starting and ending dates, as well as in developmental phases. The earliest Bronze Age developments in Europe occurred in the Aegean and southeast Europe, spreading gradually northwest and north. Central and northern regions (e.g. Scandinavia and the British Isles) entered the Bronze Age later due to environmental, technological, and cultural factors.

Archaeologist Harry Fokkens has called for a reassessment of the criteria used to define archaeological periods, advocating for a more multi-faceted approach that combines absolute carbon dating with meaningful archaeological markers, such as changes in settlement organization, technology, and social structure. He urges, as summarized in table two, archaeologists to move beyond simply updating dates and to critically reflect on the cultural significance of period boundaries (see table four). [31]

Table Four: Fokkens’ Recommendations for Sustantiation of Archeological Periods

Aspect	Current Practice	Fokkens’ Proposed Revision
Primary Evidence	Burial data and bronzes	Inclusion of Settlement patterns, houses, material culture
Theoretical Basis	Migration/culture-change models	Localized cultural continuity analysis
Chronological Tools	Radiocarbon dating	Combined: carbon dating & cultural/economic shifts
Transparency	Assumptions rarely scrutinized	Explicit criteria and peer-reviewed frameworks

Fokkens argues that the division of the Bronze Age into different cultures and phases was predominantly based on burial data, the nature and use of pottery, and migration theories and culture-change models that often relied on weak evidence for social, religious, or spiritual changes, which, while detailed, lacked scientific credibility. Other cultural phenomena like settlement patterns and house types were underutilized or inconsistently considered. He argues that the bronze age in the Netherlands existed roughly between 1800 – 800 BCE.

” … (W)e should move the line dividing the Neolithic and Bronze Age towards 1800 BC. This is the absolute end of the Beaker traditions and the start of entirely new ones, maybe not so much in a technological sense but in social, economical and ritual aspects of culture. I therefore propose to indicate the period between 2900 and 1800 BC as the Late Neolithic, the period of the Beaker Cultures. Late Neolithic A is the period of the Single Grave Culture including AOO Beakers (2900-2500 BC), Late Neolithic B the period of the Bell Beaker Culture (2500- 2000), Late Neolithic C the period of the Barbed Wire Beaker Culture (2000-1800). …

“The Early Bronze Age, as I see it, is marked by the development of several traditions that differ from the Late Neolithic practices sufficiently to suggest that a fundamental change in several dimensions of culture occurred simultaneously. Housing traditions changed and possibly associated economic traditions, burial traditions, deposition practices and pottery traditions. At the same time new traditions start which continue for the next 700 years.” [32]

While Fokkens does not propose a specific alternative chronological framework with fixed phases and dates for the Dutch Bronze Age, the chronological boundaries of the Bronze Age in the Netherlands are generally considered to span from around 2000 BCE to 800 BCE based on research studies and archaeological periodization. While some sources mention minor earlier traces or slight local variation, most scholarly consensus places the start at about 2000 BCE, marked by the first appearance of bronze objects and the Barbed-Wire Beaker culture, and the end at around 800 BCE, when the transition to the Iron Age occurs.

Martin Furholt, makes a similar agument when discussing the European Neolithic Period. He highlights how recent advances in archaeogenetics—the analysis of ancient DNA—have revolutionized the understanding of mobility and social dynamics in Neolithic Europe. He also critically examines the interpretations and intellectual frameworks that have emerged from this new data. [33]

Furholt argues that the enthusiasm for genetic data may lead to simplistic, macro-level migration narratives (e.g., mass migrations or population replacements), reminiscent of earlier, now outdated models from the early 20th century that treated archaeological cultures as homogenous, biologically-defined groups. He stresses the importance of integrating genetic findings with archaeological and anthropological theory, warning against equating genetic patterns directly with social identity or assuming that genetic groups correspond neatly to archaeological cultures.

Furholt recommends moving beyond the idea of migration as a simple mass movement and instead encourages nuanced, case-by-case studies that combine diverse lines of evidence, such as material culture, burial practices, and genetic data. Furholt calls for better interdisciplinary collaboration between archaeologists and geneticists so that social, cultural, and biological data can together produce more sophisticated and accurate models of Neolithic social change. He calls for better interdisciplinary collaboration between archaeologists and geneticists so that social, cultural, and biological data can together produce more sophisticated and accurate models of Neolithic social change.

Bronze Age Cultures in the Muese-Rhine Watershed

The Bell Beaker phenomenon was never a monolithic culture but rather a complex network of related groups with substantial regional variation. As Bronze Age societies developed, these regional groups either merged with or were absorbed by neighboring cultures, leading to the fragmentation and eventual disappearance of distinct Bell Beaker identities. Key cultures marking the start and end of the European Bronze Age differ by region but show several clear patterns. [34]

The exact cause of the decline of the Bell Beaker culture is a subject of ongoing debate among archaeologists and historians, and there are various theories proposed. It is generally understood that the Bell Beaker culture, which flourished in Europe from around 2800 to 1600 BCE, eventually faded and was succeeded by new cultural norms and the onset of the Bronze Age. [35]

The Bell Beaker culture did not vanish abruptly. It was succeeded by emerging Bronze Age cultures such as the Únětice culture in Central Europe and various regional Bronze Age societies elsewhere. This transition often involved the blending of Bell Beaker traditions with those of incoming or neighboring groups, leading to new cultural identities and practices.

The major cultural groups succeeding the Bell Beakers in the Meuse-Rhine watershed were the Hilversum Culture during the Early Bronze Age, followed by the Urnfield Culture in the Middle to Late Bronze Age, leading into the various Early Iron Age societies. As the Urnfield Culture transitions to the Early Iron Age, archaeological evidence suggests further shifts, possibly involving early Hallstatt influences and precursor groups to the Celts (see table five). It is likely that the roughly 95 undocumented generations of the Griff(is)(es)(ith) paternal line were part of many of the cultures listed in table five.

Table Five: Major Cultural Groups in the Meuse Rhine Watershed Area by Archaeological Period

Culture	Period (BCE)	Archaeological Period and Location
Corded Ware	~ 2900–2400	Late Neolithic/Early Bronze Age
Bell Beaker	~ 2500–2100	Early Bronze Age; mix of local/steppe ancestry
Barbed Wire Beaker	~ 2000–1800	Early Bronze Age – Late Bell Beaker variant in region
Hilversum	~ 1870–1050	Middle Bronze Age, south Netherlands/Belgium
Elp	~ 1800–800	Middle to Late Bronze Age, north/east Netherlands
Tumulus	~ 1600–1200	Middle Bronze Age, tumulus (barrow) burials
Lower Rhine Urnfield	~ 1300–750	Late Bronze Age, cremation fields
Hallstatt	~ 800–450	Early Iron Age (C/D proper); outgrowth of Urnfield, proto-Celtic
La Tène, Germani cisrhenani	~ 450 – 50	Late Iron Age
Batavi, Cananefates, Tungri, Romanized locals	~ 50 BCE – 400 CE	Roman Era
Frankish (merovingian), Saxons, Frisians	~ 400 – 800 CE	Early Medieval

These cultural transformations set the stage for later groups in the Iron age such as the Nordwestblock, theorized as a distinct cultural area between Celtic and Germanic zones in the Lower Rhine and Meuse area. [36]

“The Bell Beaker cultures (2700–2100) locally developed into the Bronze Age Barbed-Wire Beaker culture (2100–1800). In the second millennium BC, the region was the boundary between the Atlantic and Nordic horizons and was split into a northern and a southern region, roughly divided by the course of the Rhine.“ [37]

The Rhine River would continue to have an ecological impact on competing cultural and social groups and have an effect on the YDNA composition through susequent archaeological time periods. It would also have an impact on the absence of documented YDNA subclades associated with the migratory path of the Griff(is)(es)(ith) paternal line.

Parting Comments

The contested Meuse and Rhine River watershed area shaped and restricted the growth of the Y-chromosomal DNA phylogenetic tree of the Griff(is)(es)(ith) paternal line through dynamic interactions between ecological barriers and other social groups. Hunter gatherer groups, male-biased migrations, demographic impacts on subclade proliferation and geopolitical conflicts in each of the archaeological times periods.

The region’s wetlands and riverine landscapes resisted early Neolithic farming, preserving I2a and C1a Y-haplogroups linked to Mesolithic hunter-gatherers and limiting subclade proliferation of G2a haplogroups. Genetic continuity persisted until about 2500 BCE, , longer than in continental Europe, due to limited integration of Anatolian farmer females into local communities. This ecological resistance created a “genetic refugium” for older paternal lineages.

Despite adopting Corded Ware cultural practices, lowland Rhine-Meuse populations retained minimal steppe ancestry. However, Corded Ware associated R1a-M417 Y-haplogroups were introduced through male-dominated migrations, while retaining about 50 percent of local Neolithic ancestry. Limited female gene flow from steppe populations preserved high hunter-gatherer autosomal ancestry.

The formation of Bell Beaker groups through the mixing of local Rhine-Meuse populations (about 9–17%) and Corded Ware migrants led to the near complete Y lineage replacement of G2a YDNA groups. Bell Beaker associated males carried R1b-L151 subtypes (e.g., P312, U106), replacing earlier Neolithic lineages such as the Griff(is)(es)(ith) YDNA line. Steppe-ancestry males again mixed with local females.

These patterns demonstrate how the Rhine-Meuse watershed’s contested history created a stratified YDNA phylogeny of dominant and minorty subclades, with clines and subclades reflecting a millennia of asymmetric gene flow, male-driven expansions, and ecological resilience.

An highly contested geographical region like the Meuse-Rhine watershed, coupled with its ecological influences, profoundly shaped phylogenetic YDNA trees over time, creating a genetic landscape marked by strong lineage turnover and historical layering. The unique combination of ecological complexity and frequent territorial disputes in this area led to several characteristic outcomes:

Persistent Ancient Minority Lineages Through Isolation

Swampy lowlands, river deltas, and ecological bottlenecks preserved ancient hunter-gatherer Y-haplogroups (such as I2a and C1a) for thousands of years longer than in neighboring regions. These ‘refugia effect zones’ resisted incoming male lineages from early farming and steppe cultures, leading to deep-rooted branches on local YDNA trees that survived alongside more recent YDNA subclades.

Abrupt Lineage Replacements via Male-Dominated Migrations

Periods of intense population turnover—such as the Corded Ware and Bell Beaker expansions—produced abrupt, near-complete Y-chromosome replacements marked by new dominant haplogroups like R1b-L151 and R1a-M417 in the archaeological record. These replacements rarely erased all earlier diversity, but pruned YDNA trees of specific Neolithic branches while fostering ‘star-like phylogenies’ indicative of founder effects and rapid expansions. [38]

Genetic Subclades Shaped by Political Borders

Long-standing borders acted as semi-permeable filters that constrained male gene flow. These boundaries, such as the Rhine and Meuse Rivers, imprint phylogenetic trees with localized subclades and long phylogentic trees with few branches, revealing the enduring effect of contested territories.

Frequent social and political fragmentation after various groups changed or collapsed magnified genetic drift and lineage bottlenecks in isolated settlements. This created micro-regional YDNA substructures, amplifyed minor lineages through stochastic processes while reducing overall haplogroup diversity in places with population contractions.

Accumulation of Genetic Layers in the ‘Long Duration’ of YDNA Genetic Time

As social groups vied for control over time, the region’s YDNA composition mirrored the area’s archaeological and historical complexity: every territorial upheaval left its signature as a branch or cluster on the YDNA phylogeny that may persist or be overwritten by subsequent events.

In combination, these impacts mean highly contested regions like the Meuse-Rhine watershed display phylogenetic YDNA trees marked by both ancient depth and recent star-phylogeny expansions, strong subregional differentiation, and evidence of recurrent lineage pruning and replacement driven by both ecological and sociopolitical forces.

The final part of this story will discuss the major cultural groups associated with the migratory path for the Griff(is)(es)(ith) paternal line succeeding the Bell Beakers through the Bronze Age, Iron Age, the Roman Era and the early medieval age.

Source:

Feature Banner: The banner at the top of the story features a map of the phylogenetic gaps discussed in the story. The maps was generated by taking a snapshop from the FamilyTreeDNA Globetrekker^TM video of the migratory path of my YDNA descendants over time. The map shows the migratory path of selected most common recent ancestors and their respective estimated dates of birth. Another map in the banner depicts the Muesse and Rhine River watershed that is associated with this phylogenetic gap. . In addition, various cultures and features associated with time periods within this period of time are depicted.

[1] Iñigo Olalde, Eveline Altena, Quentin Bourgeois, Harry Fokkens, Luc Amkreutz, Marie France Deguilloux, Alessandro Fichera, Damien Flas, Francesca Gandini, Jan F. Kegler, Lisette M. Kootker, Kirsten Leijnse, Leendert Louwe Kooijmans, Roel Lauwerier, Rebecca Miller, Helle Molthof, Pierre Noiret, Daan C. M. Raemaekers, Maïté Rivollat, Liesbeth Smits, John R. Stewart, Theoten Anscher , Michel Toussaint, Kim Callan, Olivia Cheronet, Trudi Frost, Lora Iliev, Matthew Mah, Adam Micco, Jonas Oppenheimer, IrisPatterson, Lijun Qiu, Gregory Soos, J. Noah Workman, Ceiridwen J. Edwards, Losif Lazaridis, Swapan Mallick, Nick Patterson, Nadin Rohland, Martin B. Richards, Ron Pinhasi, Wolfgang Haak, Maria Pala, David Reich, Long-term hunter-gatherer continuity in the Rhine Meuse region was disrupted by local formation of expansive Bell Beaker groups, bioRxiv 2025.03.24.644985; doi: https://doi.org/10.1101/2025.03.24.644985, https://www.biorxiv.org/content/10.1101/2025.03.24.644985v1.full; also found at: https://pubmed.ncbi.nlm.nih.gov/40196638

[2] Szécsényi-Nagy Anna, Guido Brandt, Wolfgang Haak, Victoria Keerl, János Jakucs , Sabine Möller-Rieker, Kitti Köhler, Balász Gusztáv Mende, Krisztián Oross , Tibor Marton, Anett Osztás, Viktória Kiss, Marc Fecher, Gyögy Pálfi, Erika Molnár, Katalin Sebők, András Czene, Tibor Paluch, Mario Šlaus, Mario Novak, Nives Pećina-Šlaus, Brigitta Ősz, VandaVoicsek, Krisztina Somogyi, Gábor Tóth, Bernd Kromer, Eszter Bánffy, Kurt W. Alt. Tracing the genetic origin of Europe’s first farmers reveals insights into their social organization. Proc Biol Sci. 2015 Apr 22;282(1805):20150339. doi: 10.1098/rspb.2015.0339. PMID: 25808890; PMCID: PMC4389623 (PubMed) https://pmc.ncbi.nlm.nih.gov/articles/PMC4389623/

António Faustino Carvalho, Eva Fernández-Domínguez, Eduardo Arroyo-Pardo, Catherine Robinson, João Luís Cardoso, João Zilhão, Mário Varela Gomes, Hunter-gatherer genetic persistence at the onset of megalithism in western Iberia: New mitochondrial evidence from Mesolithic and Neolithic necropolises in central-southern Portugal, Quaternary International, Volumes 677–678, 2023, Pages 111-120, ISSN 1040-6182,
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(https://www.sciencedirect.com/science/article/pii/S104061822300099X )

Primorac D, Šarac J, Havaš Auguštin D, Novokmet N, Bego T, Pinhasi R, Šlaus M, Novak M, Marjanović D. Y Chromosome Story-Ancient Genetic Data as a Supplementary Tool for the Analysis of Modern Croatian Genetic Pool. Genes (Basel). 2024 Jun 6;15(6):748. doi: 10.3390/genes15060748. PMID: 38927684; PMCID: PMC11202852 (PubMed) https://pmc.ncbi.nlm.nih.gov/articles/PMC11202852/

Western hunter-gatherer, Wikipedia, This page was last edited on 18 August 2025, https://en.wikipedia.org/wiki/Western_hunter-gatherer

Posth, C., Yu, H., Ghalichi, A. et al. Palaeogenomics of Upper Palaeolithic to Neolithic European hunter-gatherers. Nature 615, 117–126 (2023). https://doi.org/10.1038/s41586-023-05726-0

[3] Primorac D, Šarac J, Havaš Auguštin D, Novokmet N, Bego T, Pinhasi R, Šlaus M, Novak M, Marjanović D. Y Chromosome Story-Ancient Genetic Data as a Supplementary Tool for the Analysis of Modern Croatian Genetic Pool. Genes (Basel). 2024 Jun 6;15(6):748. doi: 10.3390/genes15060748. PMID: 38927684; PMCID: PMC11202852. (PubMed) https://pmc.ncbi.nlm.nih.gov/articles/PMC11202852/

Szécsényi-Nagy Anna, et al. Tracing the genetic origin of Europe’s first farmers reveals insights into their social organization. Proc Biol Sci. 2015 Apr 22;282(1805):20150339. doi: 10.1098/rspb.2015.0339. PMID: 25808890; PMCID: PMC4389623 (PubMed) https://pmc.ncbi.nlm.nih.gov/articles/PMC4389623/

Z. Hofmanová, S. Kreutzer, G. Hellenthal, C. Sell, Y. Diekmann, D. Díez-del-Molino, L. van Dorp, S. López, A. Kousathanas, V. Link, K. Kirsanow, L.M. Cassidy, R. Martiniano, M. Strobel, A. Scheu, K. Kotsakis, P. Halstead, S. Triantaphyllou, N. Kyparissi-Apostolika, […] & J. Burger, Early farmers from across Europe directly descended from Neolithic Aegeans, Proc. Natl. Acad. Sci. U.S.A.113 (25) 6886-6891, https://doi.org/10.1073/pnas.1523951113(2016).

[4] Hay, Maciamo, Haplogroups of Neolithic Europeans, Eupedia, https://www.eupedia.com/genetics/haplogroups_of_neolithic_farmers.shtml

Primorac D, Šarac J, Havaš Auguštin D, Novokmet N, Bego T, Pinhasi R, Šlaus M, Novak M, Marjanović D. Y Chromosome Story-Ancient Genetic Data as a Supplementary Tool for the Analysis of Modern Croatian Genetic Pool. Genes (Basel). 2024 Jun 6;15(6):748. doi: 10.3390/genes15060748. PMID: 38927684; PMCID: PMC11202852 (PubMed) https://pmc.ncbi.nlm.nih.gov/articles/PMC11202852/

António Faustino Carvalho, Eva Fernández-Domínguez, Eduardo Arroyo-Pardo, Catherine Robinson, João Luís Cardoso, João Zilhão, Mário Varela Gomes, Hunter-gatherer genetic persistence at the onset of megalithism in western Iberia: New mitochondrial evidence from Mesolithic and Neolithic necropolises in central-southern Portugal, Quaternary International, Volumes 677–678, 2023, Pages 111-120, ISSN 1040-6182, https://doi.org/10.1016/j.quaint.2023.03.015 .
(https://www.sciencedirect.com/science/article/pii/S104061822300099X )

[5] The Chalcolithic period, or Copper Age, is the phase that followed the Neolithic (New Stone Age) and preceded the Bronze Age. It is characterized by the discovery and use of copper metallurgy, marking a transition from the exclusive use of stone tools to the use of early metal tools alongside existing stone technology.This innovation led to advancements in agriculture, crafts, trade, and societal complexity, setting the stage for the more advanced Bronze Age societies

Chalcolithic, Wikipedia, This page was last edited on 19 September 2025, https://en.wikipedia.org/wiki/Chalcolithic

References for the facts discussed in the paragraph:

Rivollat, M.; Jeong, C.; Schiffels, S.; Kücükkalıpcı, İ.; Pemonge, M.-H.; Rohrlach, A. B.; Alt, K. W.; Binder, D.; Friederich, S.; Ghesquière, E.; Gronenborn, D.; Laporte, L.; Lefranc, P.; Meller, H.; Réveillas, H.; Rosenstock, E.; Rottier, S.; Scarre, C.; Soler, L.; Wahl, J.; Krause, J.; Deguilloux, M.-F.; Haak, W.: Ancient genome-wide DNA from France highlights the complexity of interactions between Mesolithic hunter-gatherers and Neolithic farmers. Science Advances 6 (22), eaaz5344 , pp. 1 – 16 (2020), https://www.science.org/doi/10.1126/sciadv.aaz5344

Arzelier, Ana & Rivollat, Maïté & Harmony, De & Marie-Hélène, Pemonge & Binder, Didier & Convertini, Fabien & Henri, Duday & Gandelin, Muriel & Jean, Guilaine & Wolfgang, Haak & Deguilloux, Marie-France & Pruvost, Melanie. (2022). Neolithic genomic data from Southern France showcase intensified interactions with hunter-gatherer communities. iScience. 25. 105387. 10.1016/j.isci.2022.105387 , https://www.researchgate.net/publication/364419697_Neolithic_genomic_data_from_Southern_France_showcase_intensified_interactions_with_hunter-gatherer_communities

Andrew Zeilstra and Johanna Knop, Heightened Interaction Between Neolithic Migrants and Hunter-Gatherers in Western Europe, 29 May 2020 Press Release, Max Planck Institte of Geoanthropology, https://www.shh.mpg.de/1713184/haak-french-dna#_ftnref4

Iñigo Olalde, et al. , Long-term hunter-gatherer continuity in the Rhine-Meuse region was disrupted by local formation of expansive Bell Beaker groups, bioRxiv 2025.03.24.644985; doi: https://doi.org/10.1101/2025.03.24.644985, https://www.biorxiv.org/content/10.1101/2025.03.24.644985v1.full; also found at: https://pubmed.ncbi.nlm.nih.gov/40196638

Tautalus, Geneticv Study: Long-term hunter-gatherer continuity in the Rhine-Meuse region was disrupted by local formation of expansive Bell Beaker groups, 25 Mar 2025, Forums > Population Genetics > Paleogenetics, Eupedia, https://www.eupedia.com/forum/threads/long-term-hunter-gatherer-continuity-in-the-rhine-meuse-region-was-disrupted-by-local-formation-of-expansive-bell-beaker-groups.45663/

Primorac D, Šarac J, Havaš Auguštin D, Novokmet N, Bego T, Pinhasi R, Šlaus M, Novak M, Marjanović D. Y Chromosome Story-Ancient Genetic Data as a Supplementary Tool for the Analysis of Modern Croatian Genetic Pool. Genes (Basel). 2024 Jun 6;15(6):748. doi: 10.3390/genes15060748. PMID: 38927684; PMCID: PMC11202852 (PubMed) https://pmc.ncbi.nlm.nih.gov/articles/PMC11202852/

Szécsényi-Nagy Anna, et al. Tracing the genetic origin of Europe’s first farmers reveals insights into their social organization. Proc Biol Sci. 2015 Apr 22;282(1805):20150339. doi: 10.1098/rspb.2015.0339. PMID: 25808890; PMCID: PMC4389623 (PubMed) https://pmc.ncbi.nlm.nih.gov/articles/PMC4389623/

Wolfgang Haak, Oleg Balanovsky, Juan J. Sanchez, Sergey Koshel, Valery Zaporozhchenko, Christina J. Adler, Clio S. I. Der Sarkissian, Guido Brandt, Carolin Schwarz, Nicole Nicklisch, Veit Dresely, Barbara Fritsch, Elena Balanovska, Richard Villems, Harald Meller, Kurt W. Alt, Alan Cooper, Ancient DNA from European Early Neolithic Farmers Reveals Their Near Eastern Affinities, PLOS Biology, 9 Nov 2010, https://doi.org/10.1371/journal.pbio.1000536 

[6] Source of quote:

Hay, Maciamo, The great pairings of Y-DNA haplogroups in prehistory, 19 Jul 2015, Forums > Population Genetics > Y-DNA Haplogroups, Eupedia, https://www.eupedia.com/forum/threads/the-great-pairings-of-y-dna-haplogroups-in-prehistory.31431/

See also the following for explaining the transition to farming between hunter gatherer and early farming groups:

Leendert P. Louwe Kooijmans,” Transition to Farming Along the Lower Rhine and Meuse .” Ancient Europe, 8000 B.C. to A.D. 1000: Encyclopedia of the Barbarian World. . Encyclopedia.com. (September 3, 2025). https://www.encyclopedia.com/humanities/encyclopedias-almanacs-transcripts-and-maps/transition-farming-along-lower-rhine-and-meuse

[7] Kamjan S, Gillis RE, Çakırlar C, Raemaekers DCM. Specialized cattle farming in the Neolithic Rhine-Meuse Delta: Results from zooarchaeological and stable isotope (δ18O, δ13C, δ15N) analyses. PLoS One. 2020 Oct 21;15(10):e0240464. doi: 10.1371/journal.pone.0240464. PMID: 33085689; PMCID: PMC7577484. (PubMed) https://pmc.ncbi.nlm.nih.gov/articles/PMC7577484/

Olalde I, et al.  Long-term hunter-gatherer continuity in the Rhine-Meuse region was disrupted by local formation of expansive Bell Beaker groups. bioRxiv [Preprint]. 2025 Mar 25:2025.03.24.644985. doi: 10.1101/2025.03.24.644985. PMID: 40196638; PMCID: PMC11974744 (PubMed) https://pmc.ncbi.nlm.nih.gov/articles/PMC11974744/

“Transition to Farming Along the Lower Rhine and Meuse .” Ancient Europe, 8000 B.C. to A.D. 1000: Encyclopedia of the Barbarian World. . Retrieved September 03, 2025 from Encyclopedia.com: https://www.encyclopedia.com/humanities/encyclopedias-almanacs-transcripts-and-maps/transition-farming-along-lower-rhine-and-meuse

Kamjan S, Gillis RE, Çakırlar C, Raemaekers DCM (2020) Specialized cattle farming in the Neolithic Rhine-Meuse Delta: Results from zooarchaeological and stable isotope (δ¹⁸O, δ¹³C, δ¹⁵N) analyses. PLoS ONE 15(10): e0240464. https://doi.org/10.1371/journal.pone.0240464 

[8] Iñigo Olalde, et al. , Long-term hunter-gatherer continuity in the Rhine-Meuse region was disrupted by local formation of expansive Bell Beaker groups, bioRxiv 2025.03.24.644985; doi:  https://doi.org/10.1101/2025.03.24.644985, https://www.biorxiv.org/content/10.1101/2025.03.24.644985v1.full; also found at: https://pubmed.ncbi.nlm.nih.gov/40196638

Kivisild T. The study of human Y chromosome variation through ancient DNA. Hum Genet. 2017 May;136(5):529-546. doi: 10.1007/s00439-017-1773-z. Epub 2017 Mar 4. Erratum in: Hum Genet. 2018 Oct;137(10):863. doi: 10.1007/s00439-018-1937-5. PMID: 28260210; PMCID: PMC5418327 (PubMed) https://pmc.ncbi.nlm.nih.gov/articles/PMC5418327/

Haak W, Lazaridis I, Patterson N, Rohland N, Mallick S, Llamas B, Brandt G, Nordenfelt S, Harney E, Stewardson K, Fu Q, Mittnik A, Bánffy E, Economou C, Francken M, Friederich S, Pena RG, Hallgren F, Khartanovich V, Khokhlov A, Kunst M, Kuznetsov P, Meller H, Mochalov O, Moiseyev V, Nicklisch N, Pichler SL, Risch R, Rojo Guerra MA, Roth C, Szécsényi-Nagy A, Wahl J, Meyer M, Krause J, Brown D, Anthony D, Cooper A, Alt KW, Reich D. Massive migration from the steppe was a source for Indo-European languages in Europe. Nature. 2015 Jun 11;522(7555):207-11. doi: 10.1038/nature14317. Epub 2015 Mar 2. PMID: 25731166; PMCID: PMC5048219 (PubMed) https://pmc.ncbi.nlm.nih.gov/articles/PMC5048219/

[9] Iñigo Olalde, et al. , Long-term hunter-gatherer continuity in the Rhine-Meuse region was disrupted by local formation of expansive Bell Beaker groups, bioRxiv 2025.03.24.644985; doi: https://doi.org/10.1101/2025.03.24.644985, https://www.biorxiv.org/content/10.1101/2025.03.24.644985v1.full; also found at: https://pubmed.ncbi.nlm.nih.gov/40196638

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[14] Altena, Eveline, Smeding, Risha, van der Gaag, Kristaan J., de Leeuw, Rick,H., Vaske, Eileen, Reusink, Paul, Diekmann, Yoan, Thomas, Mark G., de Kniff, Peter, The dutch Y-chromosome from the early middle ages to present day. Archaeol Anthropol Sci 17, 116 (2025). https://doi.org/10.1007/s12520-025-02224-4

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[17] Altena E, Smeding R, van der Gaag KJ, Larmuseau MHD, Decorte R, Lao O, Kayser M, Kraaijenbrink T, de Knijff P. The Dutch Y-chromosomal landscape. Eur J Hum Genet. 2020 Mar;28(3):287-299. doi:10.1038/s41431-019-0496-0 . Epub 2019 Sep 5. Erratum in: Eur J Hum Genet. 2020 Mar;28(3):399. https://doi.org/10.1038/s41431-019-0496-0

[18] Altena E, Smeding R, van der Gaag KJ, Larmuseau MHD, Decorte R, Lao O, Kayser M, Kraaijenbrink T, de Knijff P. The Dutch Y-chromosomal landscape. . https://doi.org/10.1038/s41431-019-0496-0

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[22] Fokkens, Harry, The Periodisation of the Dutch Bronze Age: a critical review, in Metz, W.H. Beek, B.L. van Steegstra, H (ed.), Essays presented to Jay Jordan Butler on the occasion of his 80th birthday (pp.241-262) Metz, Van Beek & Steegstra , 2001,  uploaded to ResearchGate by Harry Fokkens on 14 October 2015, https://www.researchgate.net/publication/28646850_The_periodisation_of_the_Dutch_Bronze_Age_a_critical_review

See also: 

Lucas G, Vésteinsson O. The Future of Periodization. Dissecting the Legacy of Culture History. Cambridge Archaeological Journal. 2024;34(4):637-652. doi: https://10.1017/S0959774324000015https://www.cambridge.org/core/journals/cambridge-archaeological-journal/article/abs/future-of-periodization-dissecting-the-legacy-of-culture-history/5CFAB2DAD8ACA218551D52B07F761049

Kotsonas, Antonis, Politics of Periodization and the Archaeology of Early Greece, Open Access on AJA Online, American Journal of Archaeology, Volume 120, Number 2, April 2016, Pages 239–70, DOI: 10.3764/aja.120.2.0239, https://www.journals.uchicago.edu/doi/pdf/10.3764/aja.120.2.0239

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Bevan A, Crema ER. 2021, Modifiable reporting unit problems and time
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Fiveable. “6.4 Limitations and Challenges in Archaeological Dating – Intro to Archaeology.” Fiveable, 2024. Accessed September 1, 2025. https://library.fiveable.me/introduction-archaeology/unit-6/limitations-challenges-archaeological-dating/study-guide/blc4ifVcgX2p9zp9 

Lucian George, Jade McGlyn, eds, Rethinking Period Boundaries: New Approaches to Continuity and Discontinuity in Modern European History and Culture, Oldenburg: De Gruyter, 2022

[23] Precise starting dates can fluctuate by a century or two, depending on the location within the watershed and archaeological definitions, as some areas may have experienced slightly later adoption of bronze technologies. However, the general consensus among recent regional studies places the Meuse-Rhine watershed Bronze Age onset in the early second millennium BCE.

Prehistory of the Netherlands, Wikipedia, This page was last edited on 9 July 2025, https://en.wikipedia.org/wiki/Prehistory_of_the_Netherlands

Huth, Christoph, Water between two worlds – relections on the explanatory value of archaeological finds in a Bronze Age river landscape, in Ann Lehoërff and Marc Talon, eds, Movement Exchange and Identity in Europe in the Second and First Millennia BC, Oxford: Oxbrow Books, 2017 , 276-289, https://www.academia.edu/35831287/Water_between_two_worlds_reflections_on_the_explanatory_value_of_archaeological_finds_in_a_Bronze_Age_river_landscape

Iñigo Olalde, Eveline Altena, Quentin Bourgeois, Harry Fokkens, Luc Amkreutz, Marie France Deguilloux, Alessandro Fichera, Damien Flas, Francesca Gandini, Jan F. Kegler, Lisette M. Kootker, Kirsten Leijnse, Leendert Louwe Kooijmans, Roel Lauwerier, Rebecca Miller, Helle Molthof, Pierre Noiret, Daan C. M. Raemaekers, Maïté Rivollat, Liesbeth Smits, John R. Stewart, Theo ten Anscher, Michel Toussaint, Kim Callan, OliviaCheronet, Trudi Frost, Lora Iliev, Matthew Mah, Adam Micco, Jonas Oppenheimer, IrisPatterson, Lijun Qiu, Gregory Soos, J. Noah Workman, Ceiridwen J. Edwards, IosifLazaridis, Swapan Mallick, Nick Patterson, Nadin Rohland, Martin B. Richards, RonPinhasi, Wolfgang Haak, Maria Pala, David Reich, Long-term hunter-gatherer continuity in the Rhine-Meuse region was disrupted by local formation of expansive Bell Beaker groups, bioRxiv 2025.03.24.644985; doi: https://doi.org/10.1101/2025.03.24.644985, https://www.biorxiv.org/content/10.1101/2025.03.24.644985v1.full

Jongste Peter F.B. and Van Zijverden, Wilko K. , The “Late Bronze Age problem” in the Rhine-Meuse delta (The Netherlands). Changes in climate or human interference in the hinterland?, in Michel Magny, Claude Mordant, Hervé Richard, eds, Environnements et Cultures à l’Âge du Bronze en Europe Occidentale, Actes des congrès nationeaux ds societès historiques et scientifiques 129, Documents prèhistoriques 21. 2007, https://www.academia.edu/1983129/The_Late_Bronze_Age_problem_in_the_Rhine_Meuse_delta_The_Netherlands_Changes_in_climate_or_human_interference_in_the_hinterland_

W. K. van Zijverden, P.F.B. Jongste & F.S. Zuidhoff, Landscape and Occupation, Long Term Developments in the Dutch River Area During the Bronze Age, in De Dapper, Morgan, Frank Vermeulen, Sarah Deprez, and Devi Taelman, eds. 2009. “Ol’ Man River : Geo-Archaeological Aspects of Rivers and River Plains.” Ghent, Belgium: Academia Press. 618-627, https://www.academia.edu/1983135/LANDSCAPE_AND_OCCUPATION_LONG_TERM_DEVELOPMENTS_IN_THE_DUTCH_RIVER_AREA_DURING_THE_BRONZE_AGE

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[28] Roymans, Nico, On the latènisation of Late Iron Age material culture in the Lower Rhine/Meuse area, in Jacqueline Cession-Louppe, eds, Les Celtes Aux Racines De L’Europe, Monographies du Musée royal de Mariemont, 18, 2009, 99-114, https://www.academia.edu/12290971/2009_On_the_latènisation_of_Late_Iron_Age_material_culture_in_the_Lower_Rhine_Meuse_area

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Verhagen, Jan G.M., Sjoerd J. Kluiving, Emiel Anker, Liz van Leeuwen, Maarten A Prins, , Geoarchaeological prospection for Roman waterworks near the late Holocene Rhine-Waal delta bifurcation, the Netherlands, Catena, 2016, http://dx.doi.org/10.1016/j.catena.2016.03.027 , https://www.academia.edu/86389006/Geoarchaeological_prospection_for_Roman_waterworks_near_the_late_Holocene_Rhine_Waal_delta_bifurcation_the_Netherlands

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[29] Roymans, Nico and Stijn Heeren, Romano-Frankish interaction in the Lower Rhine frontier zone from the late 3rd to the 5th century – Some key archaeological trends explored, Germania, 99, 2021, pp. 133-156, https://doi.org/10.11588/ger.2021.92212

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[30] Stefania Sasso, Lehti Saag, Rachèl Spros, Owyn Beneker Ludovica Molinaro, Simone A. Biagini, Alexander Lehouck, Katrien Van De Vijver, Ruoyun Hui, Eugenia D’Atanasio, Alena Kushniarevich,  Helja Kabral, Ene Metspalu, Meriam Guellil , Muhammad Q.A. Ali, Jan Geypen, Maxim Hoebreckx, Birgit Berk, Natasja De Winter, Petra Driesen, April Pijpelink, Philip Van Damme, Christiana L. Scheib, Ewoud Deschepper , Pieterjan Deckers , Christophe Snoeck , Marc Dewilde, Anton Ervynck, Kristiina Tambets, Maarten H. D. Larmuseau, and Toomas Kivisild, Capturing the fusion of two ancestries and kinship structures in Merovingian Flanders, Proc. Natl. Acad. Sci. U.S.A. 121 (27) e2406734121, https://doi.org/10.1073/pnas.2406734121 (2024).

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Modified table from J.N. Lanting & W.G. Mook, The Pre- and Protohistory of the Netherlands in Terms of Radiocarbon Dates, Netherlands: Groningen, 1977

See also:

Fokkens, Harry, and Anthony Harding, ‘Introduction: The Bronze Age of Europe’, in Harry Fokkens, and Anthony Harding (eds), The Oxford Handbook of the European Bronze Age (2013; online edn, Oxford Academic, 5 Sept. 2013), https://doi.org/10.1093/oxfordhb/9780199572861.013.0001, 

Stijn Arnoldussen and Harry Fokkens, Bronze Age Settlements in the Low Countries, 2008, Published by:  Oxbow Bookshttps://doi.org/10.2307/j.ctt1cfr8w0

[32] Fokkens, Harry, The Periodisation of the Dutch Bronze Age: a critical review, in Metz, W.H. Beek, B.L. van Steegstra, H (ed.), Essays presented to Jay Jordan Butler on the occasion of his 80th birthday (pp.241-262) Metz, Van Beek & Steegstra , 2001,  uploaded to ResearchGate by Harry Fokkens on 14 October 2015, https://www.researchgate.net/publication/28646850_The_periodisation_of_the_Dutch_Bronze_Age_a_critical_review

[33] Furholt, Martin. “Mobility and Social Change: Understanding the European Neolithic Period after the Archaeogenetic Revolution.” Journal of Archaeological Research 29, no. 4 (2021): 481–535, 637. https://www.jstor.org/stable/48771100 see also: https://www.semanticscholar.org/paper/Mobility-and-Social-Change:-Understanding-the-after-Furholt/a16b603d91b0533de47784d89e03693215589691

Furholt, Martin,  De-contaminating the aDNA–Archaeology Dialogue on Mobility and Migration Discussing the Culture-Historical Legacy, CURRENT SWEDISH ARCHAEOLOGY VOL. 27 2019 | https://doi.org/10.37718/CSA.2019.03

The Centre for Advanced Study, Dissecting the current debates on prehistoric migration, 7 Dec 2021, Press Release, partner.sciencenorway.no, https://partner.sciencenorway.no/archaeology-cas-centre-for-advanced-study-dna/dissecting-the-current-debates-on-prehistoric-migration/1944336

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Iñigo Olalde, Selina Brace, Morten E. Allentoft, Ian Armit, et al, The Beaker phenomenon and the genomic transformation of northwest Europe, Nature,  21 February 2018, https://reich.hms.harvard.edu/sites/reich.hms.harvard.edu/files/inline-files/nature25738_Olalde_0_1.pdf

Papac L, Ernée M, Dobeš M, Langová M, Rohrlach AB, Aron F, Neumann GU, Spyrou MA, Rohland N, Velemínský P, Kuna M, Brzobohatá H, Culleton B, Daněček D, Danielisová A, Dobisíková M, Hložek J, Kennett DJ, Klementová J, Kostka M, Krištuf P, Kuchařík M, Hlavová JK, Limburský P, Malyková D, Mattiello L, Pecinovská M, Petriščáková K, Průchová E, Stránská P, Smejtek L, Špaček J, Šumberová R, Švejcar O, Trefný M, Vávra M, Kolář J, Heyd V, Krause J, Pinhasi R, Reich D, Schiffels S, Haak W. Dynamic changes in genomic and social structures in third millennium BCE central Europe. Sci Adv. 2021 Aug 25;7(35):eabi6941. doi: 10.1126/sciadv.abi6941. PMID: 34433570; PMCID: PMC8386934. (PubMed) https://pmc.ncbi.nlm.nih.gov/articles/PMC8386934/

Allentoft, M., Sikora, M., Sjögren, KG. et al. Population genomics of Bronze Age Eurasia.Nature 522, 167–172 (2015). https://doi.org/10.1038/nature14507

[36] Nordwestblock, Wikipedia, This page was last edited on 15 July 2025, https://en.wikipedia.org/wiki/Nordwestblock

[37] Prehistory of the Netherlands, Wikipedia, This page was last edited on 9 July 2025, https://en.wikipedia.org/wiki/Prehistory_of_the_Netherlands

[38] A “star-like phylogeny” is a genetic tree showing a central node from which many short branches radiate, indicating a recent and rapid demographic expansion from a common ancestral lineage. This pattern is a classic indicator of a founder effect, a form of genetic bottleneck. 

Ailsa Allaby and Michael Allby “star phylogeny .” A Dictionary of Earth Sciences. . Encyclopedia.com. 2 Sep. 2025 . https://www.encyclopedia.com/earth-and-environment/ecology-and-environmentalism/environmental-studies/star-phylogeny#:~:text=star%20phylogeny%20In%20a%20phylogenetic,Modern%20Language%20Association

Founder effect

The founder effect occurs when a new population is established by a very small number of individuals from a larger population. This results in a new population with: 

• Reduced genetic diversity: The founders carry only a fraction of the genetic variation present in the original population.
• Unique genetic composition: The new population’s gene pool is a non-random sample of the source population’s genes. Some rare alleles may be over-represented, while others may be lost entirely. 

Ramachandran, S. , Deshpande, O. , Roseman, C. C. , Rosenberg, N. A. , Feldman, M. W. , & Cavalli‐Sforza, L. L. (2005). Support from the relationship of genetic and geographic distance in human populations for a serial founder effect originating in Africa. Proceedings of the National Academy of Sciences, 102, 15942–15947. 10.1073/pnas.0507611102 (PubMed) https://pubmed.ncbi.nlm.nih.gov/16243969/

How a star-like phylogeny is formed

1. Founding event: A small group of individuals (the founders) with a limited gene pool moves to a new location.
2. Population expansion: The new population grows rapidly, possibly due to a lack of competitors or predators.
3. Low mutation accumulation: Since the population expanded very quickly, there has not been enough time for many new mutations to accumulate in the different lineages.
4. Short, radiating branches: The minimal genetic differences among individuals result in a phylogeny with many short branches emanating from a single, central common ancestor (the founder or founder lineage). 

The star-like pattern provides two key pieces of evidence for recent and rapid growth: 

• Short branches: The short length of the branches indicates that very few mutations occurred in each lineage since the founding event, suggesting that not much time has passed. 
• Common ancestor: All individuals can trace their ancestry back to a single, recent founder lineage, represented by the central node.

This story is the third of a four part story focusing on the examination of possible social-cultural influences that may explain the lack of identified subclades (ancestors) in the migratory path of the Griffis genetic paternal line that lived in the Meuse Rhine watershed area. This third part of the story focuses on possible influences, notably patrilineal and matrilocal practices of in coming migratory groups, leading up to and during the bronze age.

The 2,850 year Gap between G-FGC7516 and G-Z6748: This phylogenetic gap was associated with haplogroup G-FGC7516. This common ancestor was born around 2200 BCE. The next genetic ancestor on the Griff(is)(es)(ith) YDNA line was associated with the genetic SNP mutation defining the G-Z6748 haplogroup, 2,850 years later. This gap represents about 95 generations.

There are a number of social, cultural and demographic factors that may have contributed to conditions that either limited the proliferation of G haplogroup subclades or were unfavorable for the preservation or detection of intermediate lineages over nearly three millennia for the Griff(is)(es)(ith) genetic line. The following factors can collectively explain why there is an absence of documented subclades during this time period:

• the convergence of early bronze age male bottlenecks;
• the impact of patrilineal and patrilocal social kinship structures in various migrating cultures that hindered G haplogroup proliferation;
• the long tradition of the Meuse Rhine watershed characterized as an area of social and cultural diversity; and
• border overlaps between various social groups along the Rhine River.

The Meuse-Rhine Water Basin as a Cultural and Geographical Crossroads Through Time

The Rhine-Meuse basin was not simply a transitional area, but an active frontier where contact, negotiation, and preservation of distinct cultural identities shaped the archaeological record and the evolution of traditions over time. Waterways facilitated connections, anchoring traditions and contacts both within the region and with distant areas. Despite episodes of external influence or migration, local adaptation and continuity remained central, producing a unique archaeological signature for the Rhine-Meuse basin over millennia.

In a research paper entitled “Archaeology from the Dutch Twilight Zone,” the archeologists David Fontijn, Patrick Valentijn, and Harry Fokkens explore the unique archaeological landscape of the Netherlands. They particularly focus on how local prehistoric communities shaped their environments and defined themselves in relation to wider European interaction networks during the Neolithic, Bronze Age, and Iron Ages.

The article delves into the Rhine-Meuse basin as a cultural meeting point for larger prehistoric networks, analyzing how social and cultural traditions intersected and changed over time. The archeologists introduce the concept of the “Dutch Twilight Zone” which captures the idea of the Netherlands as a liminal space, a cultural and geographic crossroads where different traditions and societies met and intermingled during prehistory (see illustration one). [1]

Illustration One: Looking at the Area of the Phylogenetic Gap in the Griff(is)(es)(ith) Genetic YDNA Lineage in the Context of Early Bronze Age Regional Achealogical Traditions

“(T)he Netherlands forms an interesting research area. On distribution maps it is generally placed outside or between large exchange and communication networks: the Nordic and the Atlantic spheres or traditions. Apparently the Netherlands constitutes a kind of marginal zone in between: a twilight zone. On the other hand the Netherlands, especially the Lower Rhine basin, is often referred to as a place of origin of developments, especially with respect to Bell Beakers. There is therefore a kind of paradoxical situation: it is in between, yet central.

“At the Rhine-Meuse delta two kinds of ‘borders’ seem to have coincided: a cultural border creating a social barrier and a traffic-geographical border creating a physical barrier. Neither was impenetrable, and indeed they were traversed in certain situations.” [2]

The archeologists substantiate the characterization of the Rhine-Meuse basin as a cultural meeting point for large prehistoric networks through several key archaeological observations:

Distinct Material Traditions: The authors note that while two large interaction networks (cultural and traffic-geographic) converged in the Rhine-Meuse region, major aspects of their respective traditions often remained separate. For example, metals from the southern ‘Atlantic’ sphere seldom entered the north, and ‘Nordic’ types rarely moved south. This points to a strong but structured interaction where contact did not necessarily lead to cultural blending.

Seafaring and Maritory Zones: The paper suggests that the strict division and nature of interactions were influenced by different coastal and tidal regimes north and south of the Rhine-Meuse area. Building on Stuart Needham’s concept of regional “maritories” (maritime territories) [3] , the researchers argue that frequent contacts within these zones were facilitated by coastal seafaring, fostering complex but localized exchange networks while retaining their respective cutlural patterns. (see illustration two).

illustration Two: Model of North Sea Maritories

Persistence of Local Cultural Traits: Archaeological evidence, such as the distribution of pottery types (e.g., biconical urns and Hilversum pottery) and burial traditions, demonstrates how local identities were maintained even as the area formed part of long-distance exchange systems. This persistence of distinct traditions alongside evidence for larger scale exchange and contact is taken as a hallmark of intersecting networks, “these regionally speciic archaeological cultures, were part of larger interregional exchange
networks“. [4]

Archaeological Findings and the Broader Region: Fokkens’ landscape-scale research documents how communities adapted to the region’s unique environment, and how influences from both the Atlantic and Nordic worlds can be discerned in settlement patterns, burial practices, and material culture.

“The Rhine-Meuse basin seems to have acted as a transition zone. Here we find evidence for exchanges between the two cultural traditions in the form of the occasional Funnel Beaker pot that occurs in Vlaardingen contexts, and Funnel Beaker knob-butted hammer axes in Stein contexts. However, the two networks do not seem to mix or amalgamate, they remain quite separate. There were no borders, yet cultural differences
are apparent.” [5]

Frontier and Border Zone: The Rhine-Meuse corridor, due to its geography, marked a natural boundary between different cultural worlds: the Atlantic to the southwest and the Nordic to the northeast. Evidence for this includes vessel forms, trade goods, and hoards that demonstrate both contact and separation. [6]

Selective Adoption and Exchange: Objects and practices such as Beaker pottery, metalwork, and funerary customs reveal selective adoption of external influences, combining local traditions with elements from wider European networks, rather than wholesale cultural assimilation.

“Against this cultural background around 2600 cal BC Bell Beakers appeared. First they occurred in Single Grave and Vlaardingen contexts, but after 2400 cal BC distinct regional groups developed. They seem to unify the existing cultural palette, but this is probably only supericial. The problem is that everyone focuses on burial contexts where Beakers seem to resemble each other in style, but if we look at settlement contexts, we can see that they were introduced in existing regional contexts. These regional traditions continued under a thin layer of Beaker ‘veneer’.” [7]

“(A)rchaeologists are far too ‘simple’ in their thinking about issues of social and cultural identity. No archaeologist today would speak of a monolithic, bounded archaeological culture reflecting ‘a people’. Nonetheless, in practice many still appear to maintain the notion that ethnicity has something to do with a totality of differences in ‘objective’ cultural traits. This is true despite an already established tradition of anthropological and sociological theory stressing that ethnicity is about situational self definition based on perceived cultural differences.” [8]

It is within this general context of a ‘Dutch twilight zone’ that perhaps we can understand why there are a number of factors that can explain the lack of identified subclades between haplogroups G-FGC7516 and G-Z6748.

“(T)he Dutch twilight zone appears to have been a transitional zone between two large interaction networks that ‘on the ground’ can be surprisingly easily distinguished; not only in regional cultural traditions, but also in the distribution of metal, house styles and burial traditions. The Rhine-Meuse delta appears to have been a border zone. It is as if people in the southern Netherlands felt part of a different world, travelled more frequently to the south and the west, and preferred to interact with the ‘Atlantic’ world. Over land the Meuse valley was probably one of the connecting routes, but coastal travel and cross channel travel probably was also ‘normal’. People from the northern uplands, on the other hand, looked more to the east and the north. Their burial and housing traditions were part of the Northern world and they probably ‘recognized’ more in the regionally different cultural traditions of the north than they did in the south.“ [9]

The Most Recent Common Ancestor Associated with the Beginning of the Phylogenetc Gap

For roughly 95 generations, the genetic YDNA ancestors of the Griff(is)(es)(ith) line lived and migrated within the ‘Dutch twilight zone’. The beginning of the phylogenetic gap starts with haplogroup G-FGC7516 (see illustration three). The genetic ancestor associated with this haplogroup had a 68 percent chance of being born between 2558 BCE and 1879 BCE. It is estimated that he was born around 2195 BCE which is around the advent of the bronze age.

Illustration Three: Scientific Details for haplogroup G-FGC7516

The Most Recent Common Ancestor of haplogroup G-FGC7516 lived in the general area of western Rhine River valley in what is currently known as the northern area of the Rhineland Palatinate of Germany (see illustration four). Around 2100 BCE, the primary cultural groups present in this area were societies that included early Celts and proto-Germanic peoples. Archaeological evidence from along the Rhine indicates significant settlement by these groups from 3000 to 1800 BCE, with the population engaging in farming, pottery, and early metallurgy during what archaeologists call the Neolithic and transitional Early Bronze Age.

Illustration Four: Location of MRCA of Haplogroup G-FGC7516 at the Beginning of the Phylogenetic Gap

Distinct Celtic and Germanic identities had not yet formed as seen in later history. Instead, there was a mosaic of local Neolithic farming communities connected to these larger continental traditions. 

The region maintained its importance due to its location along river trade routes and fertile land, facilitating a mix of local developments with influences arriving from the broader European context. During this period, the region was influenced by broader European prehistoric cultures, notably under the ‘thin cultural layer of veneer‘ from the Bell Beaker culture and the remnants of Corded Ware culture. These societies were ancestral to both Celtic and Germanic populations, but had not yet developed distinct Celtic or Germanic ethnic or linguistic identities by this time. [10]

Bronze Age Population Male Bottlenecks and Their Explanation

Patrilineal (father-to-son inheritance) and patrilocal or virolocal (women move to husband’s home) social systems leave distinct signatures on Y-chromosome diversity. Because men remain in their ancestral communities, dominant Y-chromosome lineages that are associated with dominant cultural groups become more homogeneous within local geograohical areas. Subordinate Y-chromosome lineages that are associated with minority cultural or social groups become less frequent. Meanwhile, incoming women from outside the dominant groups bring mitochondrial DNA diversity, but that does not affect the paternal lineages.

One of the most significant explanations for the lack of diversity and absence of Most Common Recent Ancestors (MCRAs) between haplogroups G-FGC7516 and G-Z6748 involves a well-documented genetic bottleneck that occurred during the transition from the Neolithic to the Bronze Age. This is tied to the the confluence of effects from the Corded Ware and Bell Beaker Cultures. Research has revealed a pronounced decline in male effective population sizes worldwide between roughly 3000 BCE and 1000 BCE that was not observed in female lineages. [11]

This genetic bottleneck would naturally result in the elimination of many Y-chromosome lineages, leaving fewer surviving male lines to develop subclades. This phenomenon, absent in female mitochondrial DNA, points to cultural and social dynamics rather than environmental factors. The bottleneck peaked at different times in the world. In Europe, it peaked around 3000 BCE or about 160 generations ago.

The bottleneck in Y-chromosome diversity coincided with significant cultural changes that affected the reproductive success among males. The decline in the male effective population size during this period was approximately one-twentieth of its original level in various regions of the world. This dramatic reduction would have eliminated numerous intermediate branches that might otherwise have existed in this time frame.

As mentioned in a prior story, two-thirds of all European men descend from just three haplogroup lineages identified as I1, R1a, and R1b in the late Neolithic Period. The descendants of the G2a haplogroup, such as the Griff(is)(es)(ith) YDAN lineage, experienced similar bottlenecks but did not experience as dramatic a subsequent proliferaion of lineages as did the I1, R1a, and R1 haplogroups in the bronze age. [12]

There are various explanations for this bottleneck. Earlier studies proposed that intergroup warfare between patrilineal clans caused repeated extinctions of male lineages. This hypothesis, supported by computer simulations, suggested that violent competition during the Neolithic/Bronze Age transition (when small-scale farming clans dominated) led to the loss of Y-chromosome diversity. [13] However, critics noted that even high rates of violence alone could not fully explain an observed 17:1 female-to-male effective population size ratio. [14]

Research linked the bottleneck to wealth accumulation during the Neolithic transition to agriculture. As societies shifted to agro-pastoralism, material resources enabled dominant males (and their sons) to monopolize reproductive success, drastically reducing genetic diversity among male lineages. [15] This “socially successful male” model aligns with archaeological evidence of emerging hierarchies but does not explicitly address the timing or severity of the bottleneck. [16]

A 2024 study by Léa Guyon and other researchers offers an alternative explanation centered on cultural evolution rather than violence. [17] The major factors associated with this hypothesis include:

• Patrilineal groups splitting into sub-clans of related males, homogenizing Y-chromosome lineages within groups;
• Expansions of some patrilineal groups and extinctions of others, amplified by patrilocal residence (male lineages staying localized while females migrated); and
• The bottleneck coincides with the spread of patrilineal inheritance systems followed by a recovery as bilateral kinship systems emerged.

This patrilineal system model replicates the genetic bottleneck using ethnographically documented non-violent social processes, showing that male effective population size could drop 20-fold within 100 generations through social dynamics alone.

Table One: Key Contrasts Between the Bronze Age Male Bottleneck Theories

Factor	Violence Hypothesis	Patrilineal System Model
Primary Driver	Warfare between clans	Cultural kinship rules
Male Mortality	High	Not required
Speed of Effect	Rapid diversity loss	Gradual, sustained decline
Supporting Evidence	Ancient conflict sites	Ancient DNA showing patrilocality & male-relatedness

While earlier theories emphasized conflict or inequality, the patrilineal systems hypothesis provides a parsimonious explanation that aligns with global genetic patterns and anthropological data associated with Neolithic social transitions.

G2a haplogroup lineages, initially common from earlier Neolithic populations, became marginalized as patrilineal and patrilocal social structures associated with the Corded Ware and Bell Beaker cultures favored rapid expansion of dominant male lineages (R1b) and reduced local Y-chromosome diversity for haplogroup G2a lineages. The decline of G2a subclades, such as the descendants of the most common recent ancestor of G-FGC7516, were the result of the successive generational effects of competition with dominant clans and marginalization and replacement of G2a clans (see table two).

Table Two: Mechanisms Influencing Haplogroup Decline through Successive Generations of Patrilineal and Patrilocal Descent

Social Influence	Description
Homogeneity within emerging dominant YDNA groups	Patrilineal descent meant G lineages became concentrated within specific clans and villages, reducing overall genetic variability but increasing homogeneity in each group. [18]
Female exogamy	Women migrated between groups, so mitochondrial DNA was mixed, but Y-DNA (such as G2a) remained fixed within patrilocal communities. [19]
Cultural hitchhiking and competition	Patrilineal societies caused certain haplogroups like G to either rapidly expand (if dominant) or be outcompeted. Intergroup competition or population bottlenecks could lead to extinction of entire G lineages if their male clans were wiped out or marginalized. [20]
Lineal fission	New clans or sub-clans often form by splitting along lines of paternal descent. This process clusters paternally related men together in the new group, compounding the concentration of specific Y-chromosome lineages and further restricting genetic diversity within each group. [21]
Patrilineal Power Dynamics	Social factors such as differences in social status among clans can promote the expansion of certain lineages if high-status men have more descendants, eventually dominating the group’s Y-chromosome pool and suppressing less prevalent lineages. [22]
Marginalization and replacement	Through demographic processes and male-biased migrations, G2a haplogroup’s frequency dropped as R1b and other steppe-derived lineages swept into the region and took over social structures, further exacerbated by patrilocal residence and patrilineal descent rules that favor the propagation of dominant male lines. [23]
Group extinction dynamics	If an entire clan or group becomes extinct (whether through competition, social dynamics, or other means), all the unique Y-chromosome lineages in that group are lost. Because clans are internally homogeneous for the Y chromosome, this means whole branches of Y-chromosome diversity can disappear, even if the overall male population size does not change dramatically. [24]

The Rhine River: The Corded Ware and Beaker Ware Cultures in the Muese-Rhine Watershed

The Rhine river formed an important boundary between two cultural zones, with the Corded Ware culture (c. 3100-2350 BCE) roughly to the east and the Bell Beaker culture (c. 2800-1800 BCE) spreading from the west and south. These cultures met at the Rhine, creating a dynamic contact zone that facilitated cultural exchange, technological innovation, and had effects on the composition of YDNA among the social groups. The Bell Beaker culture expanded eastward into Corded Ware territory from about 2400 BCE, marking a period of cultural contact and technological exchange. [25] Both of these cultures expanded throughout Europe (see illustration five).

Illustration Five: The Corded Ware and Bell Beaker Expansions

The Rhine contact zone acted as a demographic and cultural frontier where G haplogroups, once dominant among Neolithic farmers, faced steep decline due to Steppe-derived male-driven expansions. However, localized admixture in regions like the Rhine-Meuse delta allowed for fragmented survival of G lineages, particularly where pre-existing populations maintained ecological or social resilience. This dynamic underscores the interplay between migration, technological change, ecological barriers and regional adaptability in shaping genetic landscapes during the Neolithic-Bronze Age transition.

As indicated, the most recent common ancestor of haplogroup G-FGC7516 and his descendants lived during this time period in the vicinity of the middle region of the Rhine River. During this time period, the Meuse-Rhine watershed region was characterized by the interaction of the Corded Ware and Beaker Ware ‘archaeological cultures‘. The G2a haplogroup was representative of the YDNA admixture for both the Corded Ware and Beaker cultures (reference illustration six below).

Illustration Six: Corded Ware and Bell Beaker Cultures

“Archaeologists note that Corded Ware was not a “unified culture,” as Corded Ware groups inhabiting a vast geographical area from the Rhine to Volga seem to have regionally specific subsistence strategies and economies. There are differences in the material culture and in settlements and society. At the same time, they had several shared elements that are characteristic of all Corded Ware groups, such as their burial practices, pottery with “cord” decoration and unique stone-axes.” [26]

“The Bell Beaker phenomenon was not an ethnic culture like most other archeological cultures of the period, but rather represents a huge multicultural trade network inside which a variety of new artefacts, customs and ideas were exchanged and diffused, notably metalwork in copper, bronze and gold and archery.” [27]

As indicated in part two of this story, the Muese Rhine river watershed witnessed the limited adoption of Corded Ware pottery culture. It was introduced through haplogroup R1b-U106 (a steppe-associated lineage) to the region. The Funnelbeaker culture dominated much of north-central Europe, including the Rhine-Meuse region, from roughly 4300–2800 BCE. The Corded Ware culture appeared in the early third millennium BCE (around 2900–2650 BCE), eventually replacing the Funnelbeaker culture in this area.

Illustration Seven: Corded Ware Culture and the Griff(is)(es)(ith) Phylogenetic Gap

“We should observe that Corded Ware cultures co-existed for several hundred years with late Neolithic cultures … often residing in the close neighborhood, whether Globular Amphorae cultures in Poland or Bernburger cultures in southern Germany. What we observe in the archaeological record is, therefore, a gradual process of acculturation and integration which meant that, after 2400 BC, former strict cultural boundaries were being gradually dissolved and a new shared material culture appeared … . Bell Beaker groups had by now also emerged on the scene, introducing metallurgy and further complicating the mix of cultures and people. … (I)t took nearly a thousand years until all regions in northern and central Europe had adopted a shared social and cultural outlook that in all probability also included shared languages.” [28]

In the Meuse Rhine River watershed area, the adoption of Corded Ware pottery did not coincide with a significant influx of steppe ancestry. Individuals in these settlements exhibited Corded Ware Y-chromosome lineages but retained minimal steppe genetic input. This contrasts with other parts of Europe, where Corded Ware expansion brought substantial steppe ancestry. [29]

Illustration Eight: Distribution of the Bell Beaker Phenomenon

The Bell Beaker culture emerged later, around 2600–2500 BCE in the Lower Rhine area, arising through a fusion of local populations and Corded Ware-associated migrants (see table three). This new group then expanded rapidly, replacing or assimilating earlier Corded Ware groups and spreading across northwest Europe. The Bell Beaker culture is associated with its distinctive bell-shaped pottery, copper daggers, and new burial customs. [30]

Table three provides a rough correlation between the Griff(is)(es)(ith) YDNA lineage with the population events in the Meuse- Rhine Region. The ancestors that were associated haplogroups that lived earlier than 2500 BCE may have lived in an area southwest of the Meuse Rhine area.

Table Three: Key Population Events in the Rhine-Meuse Region

Time Period	Griff(is)(es)(ith Haplogroup	Major Event	Genetic Impact
6500–4000 BCE	G-L497, G-CTS9737, G-Z1900, G-Z690	Early Neolithic farmer expansion	Limited in Rhine-Meuse; hunter-gatherer continuity along with Neolithic farming groups
~3000–2500 BCE	G-Z1817, G-Z727	Corded Ware complex arrives (incorporating Neolithic groups)	Little steppe ancestry; Corded Ware Y-chromosome present
~2500 BCE	G-Z1817, G-Z727, G-FGC477	Formation of Bell Beaker groups (incorporating local & Corded Ware groups)	Major admixture, new expansive population
Post-2500 BCE	G-FGC7516	Bell Beaker expansion	Disruption of local continuity, major population replacement in northwest Europe

Over successive generations, the interaction between the Corded Ware and Bell Beaker cultures along the Rhine during the Late Neolithic and Early Bronze Age (2200–1800 BCE) likely had an influence on impeding the growth and distribution of G2a haplogroup lineages through patrilineal and patrilocal customs of the Corded Ware and Bell Beaker groups. In marginal or ecologically distinct zones (e.g., wetlands of the Rhine-Meuse delta), local populations with members of the haplogroup G2a may have resisted full assimilation, as seen in the prolonged coexistence of Funnelbeaker and Corded Ware groups. [31] This could explain sporadic G2a haplogroup survival, such as the Griff(is)(es)(ith) paternal line, in areas less dominated by Steppe migrations.

A study by Ralph Großmann underlines that the relationships between Corded Ware and Bell Beaker phenomena were complex, involving shared practices and hybrid identities rather than sharp cultural divisions. While the Corded Ware and Bell Beaker complexes of the third millennium BCE are often seen as distinct in terms of burial rituals and material culture, there are significant overlaps and interrelations between them, particularly in regions where their cultural spheres were geographically adjacent. [31a]

In regions like the Rhine and Thuringia Basins, burial practices and vessel decorations from the two cultures display notable similarities and overlap, especially where communities interacted closely in space and time. Overlaps are most pronounced near river confluences, suggesting that these were hubs of cultural interaction and exchange. The evidence points to more fluid and negotiable social identities in these regions, with possible hybrid or multiple cultural affiliations rather than strictly bounded group identities. [31b]

The Corded Ware Culture: Effects of a Patriachical Society

“For the Corded Ware complex it has been suggested that initial migrations were dominated by males, who married in women probably from residing Neolithic populations, although at present it is debated whether the genetic evidence for male-dominated migrations contributing to these groups is compelling. There is also evidence that the individual groups most likely practiced patrilocality and exogamy at a community level.” [32]

An innovative research paper by Kristia Kristiansen and colleagues integrate recent breakthroughs in genetics, stable isotope analysis, archaeology, and linguistics to re-examine how the Corded Ware Culture formed in Europe after 3000 BCE. They have documented that migration was central to the formation of the Corded Ware Culture, with ancient DNA evidence confirming a large-scale movement of Yamnaya pastoralists from the Pontic-Caspian steppe into Europe after 3000 BC. These migrations did not result in mere population replacement. The formation of Corded Ware societies was driven by complex local interactions between the incoming Yamnaya and indigenous Neolithic groups. [37]

Corded Ware societies emerged through the blending of Yamnaya migrants and local Neolithic populations. This process involved not just biological – genetic mixing, but also the exchange of cultural practices, farming techniques, and language. [38]

The integration between the migratory groups and the indigenous Neolithic groups was facilitated by exogamic marriages, particularly unions between Yamnaya men and Neolithic women. This role or mechanism of exogamic marriage created a social foundation for new dialects and material cultural forms as pottery skills and linguistic influences were exchanged. It also had a diminishing effect on Neolithic YDNA G2a subclades such as the Griff(is)(es)(ith) paternal line. Illustration nine depicts the model of the social processes associated with exogamy that transformed Yamnaya culture to Corded Ware culture (labled “A”) and its subsequent migratory effects as Corded Ware culture lead to further adaptation and transformation (labeled “B”).

Illustration Nine: Social Processes of Exogamy Transforming Yamnaya to Corded Ware Culture and Its Subsequent Migration

An article by Quentin Bourgeois and Erik Kroon argues that a Corded Ware identity reflects the sharing of world views, practices, and ideas—not just common genetic backgrounds. Burial practices serve as a crucial lens for understanding the cultural transmission and social networks in Corded Ware communities. Their analysis of 1,161 Corded Ware burials across north-western Europe shows that men’s burials were much more similar across vast distances and regions, whereas women’s burial practices remained distinctly local. [39]

Illustration Ten: Distribution map of the Corded Ware burials in Bourgeois & Koon Study

Male burials featured standard positions (semi-flexed on the right side, head west and facing south) and similar grave goods, whereas female burials had more local variations. The striking similarity in male burials indicates that male burial ritual was the main vector for transmitting Corded Ware identity and funeral customs across different communities. This international character of male burials suggests that men played a central role in maintaining and spreading shared cultural practices. [40]

The differences and similarities in burial rites point to a complex society where the role of gender was significant. The uniformity in male burials, despite regional diversity, supports the theory that the Corded Ware society was male-focused, aligning with recent ancient DNA studies showing male-dominated migration patterns. [41]

Migration introduced new forms of social organization, reflected in burial customs and property transmission (individual rather than collective), with Corded Ware dominance surfacing in the centuries leading into the Bronze Age. While there was cooperation and intermarriage, evidence also indicates episodes of conflict and local diversity in the outcomes, with variation in material culture and genes depending on region. [42]

The Corded Ware culture is widely regarded as a major vector for the spread of Indo-European languages in Europe, particularly Proto-Germanic and Proto-Balto-Slavic. Its social and burial practices influenced subsequent cultures, such as the Bell Beaker culture, and contributed to the development of individualized chiefdoms and early Bronze Age societies.

An article by Kroon and other researchers highlights that the introduction of the Corded Ware Culture during the Late Neolithic on the Dutch West Coast was not a uniform process, but rather varied significantly from site to site. A core finding is the remarkable continuity of ceramic technological traditions across the region, suggesting that social practices and local technological knowledge persisted even as new material styles were introduced. [43]

The study used ceramics as a proxy for understanding cultural and social changes, applying geochemical, mineralogical, and morphological analyses to pottery from three Late Neolithic sites in the Dutch coastal area. The authors compared three hypotheses for how Corded Ware culture might have spread: migration, diffusion, and local network interactions.

There is strong evidence for continuity in ceramic production techniques across the transition to Corded Ware culture, indicating local populations maintained their methods despite adopting new styles. The adoption of Corded Ware material culture reflected a local process of cultural integration, rather than a wholesale replacement or abrupt change. The impact of Corded Ware culture introduction was site-dependent, varying in degree and manner across the studied locations. [44]

The results challenge views that see the Corded Ware phenomenon solely as a result of migration or large-scale population replacement. The study demonstrates that archaeological changes in material culture (such as pottery types) may not always indicate deep social rupture, but might instead reflect complex and regionally specific adaptations. These insights from the study emphasize the relevance of technological traditions as markers of social continuity during periods of apparent cultural change in prehistory.

Table Four: Summary of Key Features of Corded Ware Culture [45]

Feature	Description
Pottery	Beakers and amphorae (e.g. jars with two handles) with corded decoration
Burial	Single inhumations under barrows; Gendered body orientation: Males were typically placed on their right side with their heads positioned towards the west; Females were typically placed on their left side with their heads positioned towards the east; and Both genders, regardless of their orientation, faced towards the south.
Weapons	Stone battle axes, flint arrowheads, some copper items
Economy	Primitive agriculture, animal husbandry, possible horse domestication and likely with an emphasis on cattle and sheep.
Social Structure	Individualized, patriarchal, emerging social hierarchy: the society appears to have been stratified, with increasing social differentiation and competition for prestige goods and raw materials such as flint, stone, and amber.
Land Use	Depending on region, may have lived in villages, hamlets, and farmsteads, with houses that were usually small and divided into two or three spaces.
Mobility	Use of wheeled vehicles; evidence of long-distance trade and semi-nomadic pastoralism
Regional Diversity	Multiple local variants; influenced by earlier and neighboring cultures. It displayed significant regional variation in pottery styles and burial customs, leading to the identification of several regional groups (e.g., Single Grave, Battle Axe, Fatyanovo cultures).
Kinship Patterns	Archaeological and burial evidence points to a patriarchal society, with male burials often more elaborate and associated with weapons, suggesting the prominence of warrior elites.
Language Impact	Spread of Indo-European languages: associated with the diffusion of Proto-Germanic and Proto-Balto-Slavic speakers, and some believe that the people of the Corded Ware Culture spoke a steppe language that contributed to some of the contemporary Indo-European languages.

The Bell Beaker Culture: Continued Impact of Patrilineal and Matrilocal Cultural Social Practices

Before the arrival of Bell Beaker groups, the Corded Ware culture—descendants of steppe populations with significant Yamnaya ancestry—became established in the Netherlands and across northern Europe. These people brought distinctive genetic markers (such as Y-chromosome haplogroup R1b-M269) into the region. When Bell Beaker practices spread, they often did so among populations already rich in steppe-related ancestry, especially in the central and northern Netherlands. [46]

Around 2500 BCE, a significant demographic shift occurred with the emergence of Bell Beaker-associated populations. These groups arose through the fusion of local Rhine-Meuse inhabitants (contributing 9–17% of ancestry) and Corded Ware-associated migrants of both sexes. This new population expanded rapidly from the Rhine-Meuse region, disrupting the long-standing local continuity. [47]

The interaction between the dominant Corded Ware and Bell Beaker cultures along the Rhine during the Late Neolithic and Early Bronze Age (2200–1800 BCE) likely had an influence on limiting the growth and distribution and G haplogroup lineages, particularly the descendants of the most common recent ancestor of G-FGC7516.

Anthropometric analysis of the skeletons enabled the determination of sex and age at death. Strontium and oxygen isotope ratios in tooth enamel were determined to find out if individuals grew up at similar or different geographical locations. This, combined with the sequence analysis of DNA fragments from bones, provided evidence for a patrilocal society in both communities. Whereas males shared a single Y-haplotype there was a much higher maternal genetic diversity, with 23 mitochondrial haplotypes in 34 individuals.

The reconstructed pedigrees were consistent with monogamy combined with exogamy, as six of eight non-locals were women. successive generations of males remained in these communities and women came from elsewhere. In this way property such as farming grounds could be conserved and inbreeding was prevented. The single Y-haplotype, with a Steppe-pastoralist origin from Eurasia, is still the dominant type in central and western Europe today.

“By combining the various sciences, and applying them to the 42 graves of our two late Bell Beaker culture cemeteries, (the researchers proposed) a model characterized by six social principles:

1. The basic kinship units are nuclear families. By this we simply imply a small family group rather than an extended family group. ...
2. These nuclear family groups are based on patriarchal, patrilinear and patrilocal residency
   lines. …
3. The marriage system is based on female exogamy and likely monogamous. …
4. The inheritance system is likely based on male primogeniture. …
5. Nuclear families likely formed independent households. … (and)
6. Families/households formed alliances through kinship and the observed exogamic practices and foster children further forged such alliances, likely linking families into clans. Alliances were thus regional rather than closely local, and they could have formed larger political and ethnic entities to be mobilized in periods of unrest, or during periods of expansion.” [49]

Illustration eleven provides a schematic depiction of how Bell Beaker patrilineal based new settlements were established and consolidated through the marriage of Corded Ware men and Neolithic females from outside groups. In the context of the expansionist kinship system revealed by the study, the concept of foster sons also plays a significant role, both in the Bell Beaker communities discussed in their study and in later Indo-European societies. Foster sons acted as living links between families and communities, cementing the cooperative and expansionist orientation of Bell Beaker society.

Illustration Eleven: Bell Beaker Kinship and Social Organization

The study notes that such patterns—male-centered descent, the preferential burial of young boys, and exogamous marriage patterns—reflect kinship mechanisms that later appear in Indo-European societies, where fosterage of sons becomes a well-attested tradition (see table five).

Table Five: Role and Utilization of Foster Sons in Bell Beaker Culture [50]

Role	Utilization
Fosterage as Alliance-Building	Foster sons (“fosterage”) involved sending young boys to be raised by families outside their birth group, often with allied families or communities. This practice built social and political ties, extended trust networks, and reinforced alliances between distinct lineages or groups.
Socialization and Integration	Foster sons would become closely affiliated with their host families, forming almost familial bonds with their non-biological “parents” and siblings. This system allowed boys to gain social capital, language skills, and knowledge of other communities, making them valuable cultural and diplomatic bridges.
Expansionist Strategy	By fostering sons out to other communities, Bell Beaker groups could strengthen inter-community relationships, reduce the risk of conflict, and facilitate trade and cooperation. This practice also helped to integrate and stabilize rapidly expanding social networks as these communities spread across Europe.
Elite Status and Selectivity	The archaeological bias for burying male youths may be a reflection of this practice. Communities invested more in the status and commemoration of boys, especially those with ties (by blood or fosterage) that reinforced the kin-group’s reach and alliances.

The study by Karl-Göran Sjögren, Volker Heyd and other researchers provide cogent aguments based on empirical research regarding the influence of Bell Beaker kinship social patterns on migration and admixture of YDNA haplogroups. Their study focused on Bell Beaker settlements in what are close contemporary areas of lower Bavaria Germany (see illustration twelve). These settlements were southwest of the Meusse Rhine River watershed area where Griff(is)(es)(ith) YDNA descendants lived during the time period that is being discussed in this story.

Illustration Twelve: Location of Two Bell Beaker Culture Cemetery Sites

One might question the validity of generalizing the conclusions of this and other related studies for their apllicability to the Muese Rhine Watershed area. As stated, the Bell Beaker culture represented a huge multicultural trade network with many local regional variations. It is possible and probable, despite the distance of roughly 420 miles between the two geographical areas, that the socio-cultural characterteristics may have been very similar between the two geographic areas. [51]

“A wide range of regional diversity persists within the widespread late Beaker culture, particularly in local burial styles (including incidences of cremation rather than burial), housing styles, economic profile, and local ceramic wares (Begleitkeramik). Nonetheless, according to Lemercier (2018) the mature phase of the Beaker culture represents ‘the appearance of a kind of Bell Beaker civilization of continental scale’.“ [52]

The Bell Beaker culture of the Meuse-Rhine region was dynamic and characterized by social hierarchies, diverse burial and material practices, long-distance exchange, and interaction with neighboring groups, all within a context of local adaptation. [53]

The use of shared burials for adults and children likely had symbolic meaning, possibly highlighting family status, lineage, or emphasizing transgenerational links within communities. These practices also mark the transition from collective to individual burials, underlining a shift in attitudes toward family, children, and social identity. [56]

The inclusion of substitute parents (such as a paternal aunt) in burials indicates that extended family members took on caregiver roles, sometimes substituting for biological parents in both social life and burial practices. This suggests that Beaker social systems were flexible and valued non-nuclear familial bonds, especially on the paternal side. [57]

The similarities in grave goods, burial postures, and arrangement across geographically distant sites (e.g., Luxembourg and Britain) point to widely held, highly formalized burial rituals. These reflect community-wide standards of mourning and memorializing, indicating coordinated cultural beliefs and behaviors across Beaker regions—independent of local variation. [58]

Regional Variations of the Beaker Culture in the Meuse Rhine Watershed Area

The genetic profiles of Dutch Bell Beaker individuals show admixture not only from incoming steppe-related groups but also from earlier European Neolithic farmers and indigenous hunter-gatherers. This created a heterogeneous genetic makeup, visible in the variety of mitochondrial and Y-chromosome haplogroups found in Beaker-era remains, and evidenced by studies showing a mix of ancestries within local sites. [59]

Regional backgrounds played a crucial role in shaping the development of the Bell Beaker culture in the Meuse Rhine watershed area. Instead of a single, straightforward evolution, the transition to Bell Beaker culture occurred differently across various Dutch regions, reflecting their unique cultural and settlement histories. [60]

The Netherlands sat at a crossroad between different Late Neolithic cultures: the Single Grave Culture (a variant of the Corded Ware), the Vlaardingen Culture to the west, and continued contact with regions to the south and east. This location fostered the blending of traditions—forms, decorated pottery, and burial customs—resulting in Dutch Bell Beaker culture that sometimes bridged or combined elements from neighboring regions rather than simply copying them. [61]

Where some Dutch regions, particularly in the central and east, show continuity from Single Grave to Bell Beaker traditions, the west and south (with more influence from the Vlaardingen culture) witnessed abrupt transitions as external Beaker elements were introduced and reshaped local traditions. These varied pathways demonstrate that cross-cultural interaction, involving migration, exchange, and local adaptation, was central to Beaker diversity in the Meuse Rhine watershed area. [62]

Cross-cultural interactions, including the movement of clans, intermarriage, trade, and the selective adoption of foreign elements, fueled the diversity of the Beaker phenomenon in the Netherlands, with each region reflecting the unique ways that local and external traditions blended. [63]

Beakers, more than any artifact series in Dutch prehistory, are “international” in character, reflecting the Netherlands’ position in broader European trade and communication networks. The multiplicity of Beaker forms and practices found locally document these wide-ranging cultural influences. [64]

Social dynamics were shaped by competition among descent groups and individuals for prestige, status, power, and wealth. This competition fostered a moderate degree of social ranking and the emergence of local elites, but did not reach the full social stratification seen in later chiefdoms or state structures. Leadership was likely in the hands of local elites who controlled the production and distribution of valuable goods, such as the characteristic bell-shaped pottery. Personal prestige and status were important, as reflected in burial practices and grave goods.

A study by Marc Vander Linden challenges the traditional interpretation of third millennium BCE European societies as being dominated by rigid social hierarchies, especially in the context of the Bell Beaker culture. Rather than societies strictly organized around elites competing for prestige, Vander Linden’s research suggests that the Bell Beaker period saw the emergence of more fluid and dynamic social structures. These were marked by increased mobility and the widespread circulation of people, ideas, and material culture. The evidence from southern France indicates that the Bell Beaker culture fostered integration and connectivity between different groups, promoting collaboration and the formation of wider social networks. This perspective puts less emphasis on the accumulation and display of wealth by a small group of elites. [64a]

The study urges archaeologists to reconsider the evidence for social hierarchy and the narrative of bronze-age societies progressing linearly toward greater stratification. Instead, the Bell Beaker phenomenon may represent an alternative model of community building and interaction, centered on shared practices and social cohesion. Vander Linden’s interpretation broadens the understanding of prehistoric European social organization, highlighting the role of networks, exchange, and integration rather than just competition and hierarchy. This can impact how scholars interpret similar patterns in other regions and periods, questioning the assumed inevitability of hierarchical development in early complex societies.

As summarized in table six, the Bell Beaker culture in the Meuse-Rhine watershed area is characterized by several key features of social organization and culture, as revealed by archaeological and recent scientific research.

Table Six: Notable Features of Bell Beaker Culture in the Meuse Rhine Watershed Area

Feature	Description
Hybrid Identities and Cultural Contact	The Meuse-Rhine watershed was a region where different groups met and interacted, especially at river confluences. This led to overlapping characteristics in burial and material culture, such as vessel decoration styles shared between Bell Beaker and Corded Ware groups. The result was a fluid social identity and occasional hybridization. [65]
Trade and Mobility	While many groups practiced sedentary farming, others maintained mobile lifestyles, possibly as traders or pastoralists. This diverse settlement pattern likely contributed to the rapid spread of Bell Beaker goods and culture across Europe. The Bell Beaker people were part of extensive exchange networks, moving raw materials such as copper over long distances. The Rhine-Meuse area served as an essential network node, facilitating interactions between different cultural groups, and the spread of both population and ideas. Bell Beaker people relied on and innovated sea-based and coastal routes to expand their culture widely across Europe, with a particular focus on the Atlantic littoral and the Mediterranean basin. [66]
Settlement Patterns & Landscape	Bell Beaker groups typically lived in small settlements, rather than large, centralized societies. Typical Bell Beaker settlements housed small villages of 30 to 50 inhabitants. Archaeological evidence suggests that the Bell Beaker people inhabited both sedentary farming settlements and maintained mobile elements. The settlement structure in the region adapted to the local landscape—such as river valleys and higher ground, mirroring an ability to blend new ideas with existing traditions. [67]
Kinship Patterns	Social life was organized around descent groups, with kinship (biological or mythical) being the main organizing principle. These groups likely had a clan structure, often exogamous and patrilineal, emphasizing descent from a common ancestor. [68]
Social Structure	The presence of specialized craft goods suggests an economy that valued certain occupations, such as metalworking. Some settlements likely functioned as specialized production or trade centers for particular goods. Emerging social hierarchy: the society appears to have been stratified, with increasing social differentiation and competition for prestige goods and raw materials such as flint, stone, and amber. [69]
Burial	Bell Beaker burial styles included single, crouched inhumations in individual graves, often with a bell-shaped pot, flint arrowheads, and a stone wrist guard as grave goods, and typically located on well-drained soil. Burial orientation varied by region and sex, with males in Continental Europe generally on their left side and females on their right, both facing east. Graves could be flat or covered by circular mounds, with some evidence suggesting extended family burials and a focus on kin relationships.  [70]
Burial & Symbolic Practices	Not every person received a Bell Beaker burial, which suggests that burial with bell beaker ceramics and goods was a selective, perhaps prestigious, rite reserved for particular individuals or events. [71]
Pottery	Regional diversity of Bell Beaker ceramics in the northwestern Mediterranean (Spain, France, Italy). This diversity, evident in decorative styles and burial contexts, enables researchers to construct detailed chronological sequences and to trace the arrival, adoption, and adaptation of Bell Beaker elements within local societies. [72]

Challenges of Poor Skeletal Preservation in the Meuse Rhine Watershed Area

The Meuse-Rhine watershed is not an ideal environment for long-term skeletal preservation due to its high humidity and waterlogged conditions. DNA is vulnerable to degradation from microbial action, hydrolysis, and oxidation, all of which are exacerbated in damp environments. Many archaeological sites in the region contain only small, morphologically unidentifiable bone fragments, rather than complete skeletons. Environmental factors like soil properties, temperature, and exposure to humidity are significant factors in how well bone and DNA are preserved. [73]

Despite widespread poor skeletal preservation in the Meuse-Rhine watershed due to adverse environmental conditions, significant ancient DNA (aDNA) data have been successfully recovered. Researchers have overcome the challenges of poor preservation by targeting denser bone elements like the petrous bone and teeth, where DNA is better protected. The region’s archaeological record, though subject to decay from its riverine and wetland environments, has yielded substantial genetic information that has reshaped the understanding of European prehistory. [74]

Archaeologists and paleogeneticists have successfully extracted extensive aDNA from the Meuse-Rhine area, demonstrating that usable genetic material is available even in poorly preserved skeletal remains. The dense petrous part of the temporal bone and the cementum of teeth are known to protect DNA from environmental decay far better than other skeletal elements. For example, a 2025 study was able to assemble genome-wide data for 109 people dating from 8500–1700 BCE from the Rhine-Meuse area. The success of this study in collecting a large dataset confirms that despite poor overall preservation, high-yield specimens can be found. [75]

The ancient DNA data recovered from the Meuse-Rhine area have provided groundbreaking insights into the region’s population history, particularly for the periods of 8500–1700 BCE. Genetic analysis revealed a high proportion of hunter-gatherer ancestry persisting in the Rhine-Meuse area for three millennia longer than in many other parts of continental Europe. The data document a unique demographic transition. Unlike other regions that saw a near-complete turnover with the arrival of farmers, the Rhine-Meuse area experienced persistent hunter-gatherer presence and an exceptional pattern of interaction with incoming populations.

The genetic analysis also showed that the arrival of the Bell Beaker complex in the western Netherlands was unique. The local lowland population that adopted the pottery had very little steppe ancestry, unlike their counterparts elsewhere in Europe. [76]

“The spread of CW (Corded Ware) influence to the wider Rhine-Meuse area was more complex than in many areas of central and eastern Europe. In the uplands, where skeletal material tends to be poorly preserved and no ancient DNA data are available, the complete CW package emerged; marked by the construction of CW burial mounds, the general absence of settlements, and sparse pottery finds.” [77]

“The arrival of the BB (Bell Beaker) complex around 2500 BCE marked another major cultural transition, as settlements spread across the wetlands and coastal areas, replacing Vlaardingen/CW settlements, though generally not using the same sites. The BB economy was similar to the previous CW one and consisted of predominantly farming mixed with low-intensity hunting and gathering. In the sandy uplands, there was a continuation of the barrow ritual, but with distinct BB characteristics and material culture replacing the CW repertoire. BB groups were also well attested south of the Rhine, as evident in BB burial mounds on the sandy soils of the southern Netherlands and Belgium. BB settlement sites remain just as elusive in this area as CW settlements. However, the presence of ploughland dated to the Late Neolithic suggests that the lack of settlement evidence is not the result of nomadism but rather of settlements in lower lying places where there is little chance for detection by archaeologists.“ [78]

While there have been technological inovations in extracting aDNA from poorly preserved remains, a challenge still exists in finding skeletal remains of individuals who represent YDNA haplogroups, such as various subclades in the G2a hapklogroup, that have been marginalized through time.

The Next Part of this Story

The fourth part of this story discusses the enduring social, cultural and demographic factors that may have contributed to the continued lack of subclade development for the Griff(is)(es)(ith) paternal YDNA line during and after the bronze age up to the end of the phylogenic gap around 650 CE.

The lack of identified YDNA subclades documenting the migratory path in the Meuse Rhine watershed area can be partly attributed to three major demographic factors that limited the subsequent growth of G2a subclades, particularly the Griff(is)(es)ith) paternal line:

1. the persistence and admixture of I2 and C1 hunter-gatherer haplogroups with G2a farming haplogroups in the late neolithic;
2. the enduring impact of R1b Bell Beaker migrating groups into the area in the post Neolithic and early Bronze age; and
3. the continued dominance of R1b social and cultural factors on G2a subclade growth.

Source:

Feature Banner: The banner at the top of the story features a map of the phylogenetic gaps discussed in the story. The map was generated by taking a snapshop from the FamilyTreeDNA Globetrekker^TM video of the migratory path of my YDNA descendants over time. The map shows the migratory path of selected most common recent ancestors and their respective estimated dates of birth. The table in the middle of the banner points to the influence of the Corded Ware and Bell Beaker cultures. The illustration on the right provides a schematic depiction of how Bell Beaker patrilineal based new settlements were established and consolidated through the marriage of Corded Ware men and Neolithic females from outside groups. This social process had a negative impact on the proliferation of G2a YDNA subclades.

[1] David Fontijn, Patrick Valentijn, and Harry Fokkens, Archaeology from the Dutch Twilight Zone, in Sophie Bergerbrant and Serena Sabatini (ed), Counterpoint: Essays in Archaeology and Heritage Studies in Honour of Professor Kristian Kristiansen, Oxford: Archaeopress, 2013, 531-540 , https://www.academia.edu/6072124/Archaeology_of_the_Dutch_Twilight_Zone

[2] David Fontijn, Patrick Valentijn, and Harry Fokkens, Archaeology from the Dutch Twilight Zone, Page 539

[3] Needham, Stuart, Encompassing the Sea: ‘Maritories’, and Bronze Age maritime interactions, 12-37, in Peter Clark, ed, Bronze Age Connections Cultural Contact in Prehistoric Europe, Oxford: Oxbow Books, 2006 https://dokumen.pub/qdownload/bronze-age-connections-cultural-contact-in-prehistoric-europe-1842173480-9781842173480.html

[4] David Fontijn, Patrick Valentijn, and Harry Fokkens, Archaeology from the Dutch Twilight Zone, in Sophie Bergerbrant and Serena Sabatini (ed), Counterpoint: Essays in Archaeology and Heritage Studies in Honour of Professor Kristian Kristiansen, Oxford: Archaeopress, 2013, 533 , https://www.academia.edu/6072124/Archaeology_of_the_Dutch_Twilight_Zone

[5] David Fontijn, Patrick Valentijn, and Harry Fokkens, Archaeology from the Dutch Twilight Zone, Page 533

[6] Fokkens, Harry, The Periodization of the Dutch Bronze Age: A Critical Review, in Metz, W.H. Beek, B.L. van Steegstra, H (eds) Patina. Essays presented to Jay Jordan Butler on the occasion of his 80th birthday (pp.241-262), Metz, Van Beek & Steegstra
https://www.researchgate.net/publication/28646850_The_periodisation_of_the_Dutch_Bronze_Age_a_critical_review

[7] David Fontijn, Patrick Valentijn, and Harry Fokkens, Archaeology from the Dutch Twilight Zone, Pages 533-534

[8] David Fontijn, Patrick Valentijn, and Harry Fokkens, Archaeology from the Dutch Twilight Zone, Page 535

[9] David Fontijn, Patrick Valentijn, and Harry Fokkens, Archaeology from the Dutch Twilight Zone, Page 535

See also

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Zeng TC, Aw AJ, Feldman MW. Cultural hitchhiking and competition between patrilineal kin groups explain the post-Neolithic Y-chromosome bottleneck. Nat Commun. 2018 May 25;9(1):2077. doi: 10.1038/s41467-018-04375-6. PMID: 29802241; PMCID: PMC5970157 https://pmc.ncbi.nlm.nih.gov/articles/PMC5970157

[24] mvea, About 7,000 years ago, something weird happened to men: the genetic diversity of their Y chromosomes collapsed. It was as if there was only one man left to mate for every 17 women. The collapse may have been the result of generations of war between patrilineal clans structured around male ancestry, Reddit, https://www.reddit.com/r/science/comments/8nrxzy/about_7000_years_ago_something_weird_happened_to/

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Sjögren, Karl-Goran, Iñigo Olalde, Sophie Carver, Morten E. Allentoft, Tim Knowles, Guus Kroonen, Alistair W. G. Pike, Peter Schröter, Keri A. Brown, Kate Robson Brown, Richard J. Harrison, Francois Bertemes, David Reich, Kristian Kristiansen, Volker Heyd, Kinship and social organization in Copper Age Europe. A cross-disciplinary analysis of archaeology, DNA, isotopes, and anthropology from two Bell Beaker cemeteries, PLoS ONE 15(11): e0241278, 2020, doi.org/10.1371/journal.pone.0241278

See also:

Kristiansen K et al. , Re-theorising mobility and the formation of culture and language among the Corded Ware Culture in Europe. Antiquity 2017; 91: 334–347 https://www.cambridge.org/core/journals/antiquity/article/retheorising-mobility-and-the-formation-of-culture-and-language-among-the-corded-ware-culture-in-europe/E35E6057F48118AFAC191BDFBB1EB30E

Sjögren K-G, Price TD, Kristiansen K, Diet and mobility in the Corded Ware of central Europe. PLoS One 2016; 11:e0155083 10.1371/journal.pone.0155083  (PubMed) https://pubmed.ncbi.nlm.nih.gov/27223117/

Goldberg A, Günther T, Rosenberg NA, Jakobsson M, Ancient X chromosomes reveal contrasting sex bias in Neolithic and Bronze Age Eurasian migrations. Proc Natl Acad Sci USA 2017; 114/10: 2657–2662. 10.1073/pnas.1616392114 (PubMed) https://pubmed.ncbi.nlm.nih.gov/28223527/

Zeng TC, Aw AJ, Feldman MW, Cultural hitchhiking and competition between patrilineal kin groups explain the post-Neolithic Y-chromosome bottleneck. Nature Comm. 2018; 9: 2077 10.1038/s41467-018-04375-6  (PubMed) https://pubmed.ncbi.nlm.nih.gov/29802241/

Sjögren K-G, Price TD, Kristiansen K, Diet and mobility in the Corded Ware of central Europe. PLoS One 2016; 11:e0155083 10.1371/journal.pone.0155083 
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Lazaridis I, Reich D, Failure to replicate a genetic signal for sex bias in the steppe migration into central Europe. Proc Natl Acad Sci USA 2017; 114/20: E3873– E3874. 10.1073/pnas.1704308114 (PubMed) https://pubmed.ncbi.nlm.nih.gov/28476764/

Goldberg A, Günther T, Rosenberg NA, Jakobsson M, Reply to Lazaridis and Reich: Robust model-based inference of male-biased admixture during Bronze Age migration from the Pontic-Caspian Steppe. Proc Natl Acad Sci USA 2017; 114/20: E3875– E3877. 10.1073/pnas.1704442114 (PubMed) https://pubmed.ncbi.nlm.nih.gov/28476765/

Haak W et al. , Ancient DNA, Strontium isotopes, and osteological analyses shed light on social and kinship organization of the Later Stone Age. Proc Natl Acad Sci USA 2008; 105: 18226–18231. 10.1073/pnas.0807592105 (PubMed) https://pubmed.ncbi.nlm.nih.gov/19015520/

Knipper C et al. , Female exogamy and gene pool diversification at the transition from the Final Neolithic to the Early Bronze Age in central Europe. Proc Natl Acad Sci USA 2017; 114: 10083–10088. 10.1073/pnas.1706355114 (PubMed0)https://pubmed.ncbi.nlm.nih.gov/28874531/

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[34] “The Globulara Amphora culture could possibly have been in contact with the Yamnaya, but that the interaction would mostly have been at the cultural level with very limited migration.“

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Francesca Tassi, Stefania Vai, Silvia Ghirotto, Martina Lari, Alessandra Modi, Elena Pilli, Andrea Brunelli, Roberta Rosa Susca, Alicja Budnik, Damian Labuda, Federica Alberti, Carles Lalueza-Fox, David Reich, David Caramelli and Guido Barbujani, Genome diversity in the Neolithic Globular Amphorae culture and the spread of Indo-European languages, 22 November 2017, Proceedings of the Royal Society Biological Sciences, .https://doi.org/10.1098/rspb.2017.1540

Mikhail M. Charniauski et al. (eds.), Eastern exodus of the globular amphora people: 2950-2350 BC. Poznań, Adam Mickiewicz University, Institute of Prehistory 1996, Baltic-Pontic studies 4.

Manfred Woidich, The Western Globular Amphora Culture. A New Model for its Emergence and Expansion, eTopoi Journal of Ancient Sdtudies, , Vol 3, 2014, 67 -85, https://www.topoi.org/wp-content/uploads/2014/08/182-704-1-SM.pdf

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Virginia García‐Díaz, The Domestic Shpere of the Corde Ware Culture, PhD Thesis, Leiden University, 1981, https://collectie.huisvanhilde.nl/pdf/The_domestic_sphere_of_the_corded_ware_culture.pdf#:~:text=The%20Corded%20Ware%20Culture%20(CWC)%20was%20a,Funnelbeaker%20(Trechterbekercultuur%20or%20TRB%20in%20Dutch)%20groups.

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Sjögren Karl-Göran, Douglas Price T, Kristiansen Kristiansen. Diet and Mobility in the Corded Ware of Central Europe. PLoS One. 2016; 33. https://doi.org/10.1371/journal.pone.0155083 PMID: 27223117

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See also:

Kristiansen, Kristian, The Formation of Language and Culture in Temperate Europe after the Steppe Migrations 3000–2800 BC, Särtryck ur: Årsbok 2017 KVHAA Stockholm 2016 (isbn 978-91-7402-456-2, issn 0083-6796) https://www.vitterhetsakademien.se/download/18.542301d218418c937a71a612/1669133849334/Kristiansen_ÅB_17.pdf

Kristiansen, Kristian, The Formation of Language and Culture in Temperate Europe after the Steppe Migrations 3000–2800 BC, Särtryck ur: Årsbok 2017 KVHAA Stockholm 2016 (isbn 978-91-7402-456-2, issn 0083-6796) https://www.vitterhetsakademien.se/download/18.542301d218418c937a71a612/1669133849334/Kristiansen_ÅB_17.pdf

Furholt, M. Mobility and Social Change: Understanding the European Neolithic Period after the Archaeogenetic Revolution. J Archaeol Res 29, 481–535 (2021). https://doi.org/10.1007/s10814-020-09153-x

“Corded Ware from East to West .” Ancient Europe, 8000 B.C. to A.D. 1000: Encyclopedia of the Barbarian World. . Encyclopedia.com. (July 18, 2025). https://www.encyclopedia.com/humanities/encyclopedias-almanacs-transcripts-and-maps/corded-ware-east-west

[37] Kristiansen, Kristian & Allentoft, Morten & Frei, Karin & Iversen, Rune & Johannsen, Niels & Kroonen, Guus & Pospieszny, Lukasz & Price, T. & Rasmussen, Simon & Sjögren, Karl-Göran & Sikora, Martin & Willerslev, Eske. (2017). Re-theorising mobility and the formation of culture and language among the Corded Ware Culture in Europe. Antiquity. 91. 334-347. 10.15184/aqy.2017.17. https://www.researchgate.net/publication/315990713_Re-theorising_mobility_and_the_formation_of_culture_and_language_among_the_Corded_Ware_Culture_in_Europe

[38] Kristiansen, Kristian, The Formation of Language and Culture in Temperate Europe after the Steppe Migrations 3000–2800 BC, Särtryck ur: Årsbok 2017 KVHAA Stockholm 2016 (isbn 978-91-7402-456-2, issn 0083-6796), Page 124 , htpps://www.vitterhetsakademien.se/download/18.542301d218418c937a71a612/1669133849334/Kristiansen_ÅB_17.pdf

[39] Bourgeois, Quentin & Kroon, Erik, The impact of male burials on the construction of Corded Ware identity: Reconstructing networks of information in the 3rd millennium BC, 12 October 2017, PLOS ONE, 12, 10.1371/journal.pone.0185971, https://www.researchgate.net/publication/320362274_The_impact_of_male_burials_on_the_construction_of_Corded_Ware_identity_Reconstructing_networks_of_information_in_the_3rd_millennium_BC

[40] Bourgeois, Quentin & Kroon, Erik, The impact of male burials on the construction of Corded Ware identity: Reconstructing networks of information in the 3rd millennium BC

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[42] Kristiansen, Kristian et al. (2017). Re-theorising mobility and the formation of culture and language among the Corded Ware Culture in Europe. Antiquity. 91. 334-347. 10.15184/aqy.2017.17. https://www.researchgate.net/publication/315990713_Re-theorising_mobility_and_the_formation_of_culture_and_language_among_the_Corded_Ware_Culture_in_Europe

Kristiansen, Kristian, The Formation of Language and Culture in Temperate Europe after the Steppe Migrations 3000–2800 BC, Särtryck ur: Årsbok 2017 KVHAA Stockholm 2016 (isbn 978-91-7402-456-2, issn 0083-6796), Page 124 , https://www.vitterhetsakademien.se/download/18.542301d218418c937a71a612/1669133849334/Kristiansen_ÅB_17.pdf

[43] Kroon EJ, Huisman DJ, Bourgeois QP, et al., The introduction of Corded Ware Culture at a local level: an exploratory study of cultural change during the Late Neolithic of the Dutch West Coast through ceramic technology. Journal of Archaeological Science: Reports, Volume 26, August 2019, Article number 101873, https://www.sciencedirect.com/science/article/pii/S2352409X19301634 ; https://scholarlypublications.universiteitleiden.nl/handle/1887/77826

[44] Kroon EJ, Huisman DJ, Bourgeois QP, et al., The introduction of Corded Ware Culture at a local level: an exploratory study of cultural change during the Late Neolithic of the Dutch West Coast through ceramic technology.

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Sjögren K-G, Douglas Price T, Kristiansen K. Diet and Mobility in the Corded Ware of Central Europe. PLoS One. 2016; 33. https://doi.org/10.1371/journal.pone.0155083 PMID: 27223117

Bourgeois, Quentin & Kroon, Erik. (2017). The impact of male burials on the construction of Corded Ware identity: Reconstructing networks of information in the 3rd millennium BC. PLOS ONE. 12. e0185971. 10.1371/journal.pone.0185971 https://www.researchgate.net/publication/320362274_The_impact_of_male_burials_on_the_construction_of_Corded_Ware_identity_Reconstructing_networks_of_information_in_the_3rd_millennium_BC

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Furholt, Martin, Corded Ware and Bell Beakers – A Practice-based Perspective on Local Communities, Transregional Interaction and Social Heterogeneity in Late Neolithic Europe, in Martin Furholt, Ralph Großmann, Marzena Szmyt, Transitional Landscapes? The 3rd Millennium BC in Europe, Gedruckt mit unterstützung der deutschen forschungsgemeinschaft (DfG), 2016,  Pages 111 – 126

Großmann, Ralph, Interrelations between Corded Ware and Bell Beaker Phenomena?Material Cultures and Identities in the 3rd Millennium BC, in Martin Furholt, Ralph Großmann, Marzena Szmyt, Transitional Landscapes? The 3rd Millennium BC in Europe, Gedruckt mit unterstützung der deutschen forschungsgemeinschaft (DfG), 2016,  Pages 129 – 143

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[48] Sjögren, Karl-Goran, Iñigo Olalde, Sophie Carver, Morten E. Allentoft, Tim Knowles, Guus Kroonen, Alistair W. G. Pike, Peter Schröter, Keri A. Brown, Kate Robson Brown, Richard J. Harrison, Francois Bertemes, David Reich, Kristian Kristiansen, Volker Heyd, Kinship and social organization in Copper Age Europe. A cross-disciplinary analysis of archaeology, DNA, isotopes, and anthropology from two Bell Beaker cemeteries, PLoS ONE 15(11): e0241278, 2020, doi.org/10.1371/journal.pone.0241278 (pubMed) https://pmc.ncbi.nlm.nih.gov/articles/PMC7668604/

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[50] Sjögren, Karl-Goran, et al, Kinship and social organization in Copper Age Europe. A cross-disciplinary analysis of archaeology, DNA, isotopes, and anthropology from two Bell Beaker cemeteries, PLoS ONE 15(11): e0241278, 2020, doi.org/10.1371/journal.pone.0241278 (pubMed) https://pmc.ncbi.nlm.nih.gov/articles/PMC7668604/

[51] The cemetery of Alburg is located in the city of Straubing, Lower Bavaria, Germany. The cemetery of Irlbach is located in the County of Straubing-Bogen also in Lower Bavaria, Germany. The cemetaries are close to each other on or near the Danube River. If we arbitrarily chose Liège, Belgium as an anchor point for where Griff(is)(es)(ith) YDNA descendants may have lived in the initial stages of this phylogenetic gap, the distance from the cemetaries is approximately 670 kilometers or about 420 miles .

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Press Release , The Grave’s Embrace: New research sheds light on Bronze Age family relationships, 29 Jan 2024, Johannes Gutenberg Universität Mainz , https://press.uni-mainz.de/the-graves-embrace-new-research-sheds-light-on-bronze-age-family-relationships/

[55] Zedda N, et al. Biological and substitute parents in Beaker period adult-child graves. Sci Rep. 2023 Oct 31;13(1):18765. doi: 10.1038/s41598-023-45612-3. PMID: 37907573; PMCID: PMC10618162. (PubMed) https://pubmed.ncbi.nlm.nih.gov/37907573/

[56] Zedda N, et al. Biological and substitute parents in Beaker period adult-child graves. Sci Rep. 2023 Oct 31;13(1):18765. doi: 10.1038/s41598-023-45612-3. PMID: 37907573; PMCID: PMC10618162. (PubMed) https://pubmed.ncbi.nlm.nih.gov/37907573/

[57] Zedda N, et al. Biological and substitute parents in Beaker period adult-child graves. Sci Rep. 2023 Oct 31;13(1):18765. doi: 10.1038/s41598-023-45612-3. PMID: 37907573; PMCID: PMC10618162. (PubMed) https://pubmed.ncbi.nlm.nih.gov/37907573/

[58] Zedda N, et al. Biological and substitute parents in Beaker period adult-child graves. Sci Rep. 2023 Oct 31;13(1):18765. doi: 10.1038/s41598-023-45612-3. PMID: 37907573; PMCID: PMC10618162. (PubMed) https://pubmed.ncbi.nlm.nih.gov/37907573/

[59] Olalde I, Brace S, Allentoft ME, et al., The Beaker phenomenon and the genomic transformation of northwest Europe. Nature. 2018 Mar 8;555(7695):190-196. doi: 10.1038/nature25738. Epub 2018 Feb 21. Erratum in: Nature. 2018 Mar 21;555(7697):543. doi: 10.1038/nature26164. PMID: 29466337; PMCID: PMC5973796. (PubMed) https://pmc.ncbi.nlm.nih.gov/articles/PMC5973796/

[60] Grossmann, Ralph. “R. Großmann, Interrelations between Corded Ware and Bell Beaker Phenomena? Material Cultures and Identities in the 3rd Millennium BC.” Furholt u. a. 2016 M. Furholt/R. Großmann/M. Szmyt (Hrsg.), Transitional Landscapes? The 3rd Millennium BC in Europe: Proceedings of the International Workshop “Socio-Environmental Dynamics over the Last 12000 Years: the Creation of Landscapes III (15th-18th April 2013)” in Kiel., vol. 9, 2016. https://www.academia.edu/38915210/R_Großmann_Interrelations_between_corded_ware_and_bell_beaker_phenomena_Material_cultures_and_identities_in_the_3rd_millennium_BC

Beckerman, Sandra. “Dutch Beaker Chronology Re-Examined. .” Palaeohistoria 2011/2012, Vol 53-54., 2011/2012, Groningen: University of Groningen. 25-64. https://www.academia.edu/2304446/Dutch_beaker_chronology_re_examined

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[61] Fokkens, Harry, Background to Dutch Beakers. A critical review of the Dutch model, in Harry Fokkens & Franco Nicolis, eds, Background to Beakers Inquiries in regional cultural backgrounds of the Bell Beaker Complex, Leiden: Sidestone Press, 2012, 9-36, https://woolmerforest.org.uk/E-Library/B/Background%20to%20Beakers%20-%20Inquiries%20in%20regional%20cultural%20backgrounds%20of%20the%20Bell%20Beaker%20Complex.pdf

[62] Fokkens, Harry, Background to Dutch Beakers. A critical review of the Dutch model, in Harry Fokkens & Franco Nicolis, eds, Background to Beakers Inquiries in regional cultural backgrounds of the Bell Beaker Complex

Davidski, Dutch Beakers: like no other Beakers, 19 Jan 2019, EuroGenes Blog, https://eurogenes.blogspot.com/2019/01/dutch-beakers-like-no-other-beakers.html

[63] Fokkens, Harry, Background to Dutch Beakers. A critical review of the Dutch model, in Harry Fokkens & Franco Nicolis, eds, Background to Beakers Inquiries in regional cultural backgrounds of the Bell Beaker Complex

Davidski, Dutch Beakers: like no other Beakers, 19 Jan 2019, EuroGenes Blog, https://eurogenes.blogspot.com/2019/01/dutch-beakers-like-no-other-beakers.html

[64] Olalde I, et al., The Beaker phenomenon and the genomic transformation of northwest Europe. Nature. 2018 Mar 8;555(7695):190-196. doi: 10.1038/nature25738. Epub 2018 Feb 21. Erratum in: Nature. 2018 Mar 21;555(7697):543. doi: 10.1038/nature26164. PMID: 29466337; PMCID: PMC5973796. https://pmc.ncbi.nlm.nih.gov/articles/PMC5973796/

[64a] Vander Linden M. For Whom the Bell Tolls: Social Hierarchy vs Social Integration in the Bell Beaker Culture of Southern France (Third Millennium bc). Cambridge Archaeological Journal. 2006; 16(3):317-332. doi: 10.1017/S0959774306000199, https://www.cambridge.org/core/journals/cambridge-archaeological-journal/article/abs/for-whom-the-bell-tolls-social-hierarchy-vs-social-integration-in-the-bell-beaker-culture-of-southern-france-third-millennium-bc/CB0BA59778DC57F42C4ECD5FD667786C ; also found at: https://www.academia.edu/840057/For_Whom_the_Bell_Tolls_Social_Hierarchy_vs_Social_Integration_in_the_Bell_Beaker_Culture_of_Southern_France_Third_Millennium_small_BC_small_

Linden MV. What linked the Bell Beakers in third millennium BC Europe? Antiquity. 2007; 81(312): 343-352. doi: 10.1017/S0003598X00095223, https://www.cambridge.org/core/journals/antiquity/article/abs/what-linked-the-bell-beakers-in-third-millennium-bc-europe/52D01B1D5AA2631C4D4FB06A6CF151E7

Racimo, F., Sikora, M., Vander Linden, M., Schroeder, H. and Lalueza-Fox, C., 2020. Beyond broad strokes: sociocultural insights from the study of ancient genomes. Nature Reviews Genetics, 21, 355-366 , https://eprints.bournemouth.ac.uk/33588/1/Review%20ancient%20DNA%20-%20Fernando%2C%20Martin%2C%20Marc%2C%20Hannes%2C%20Carles.pdf

[65] David Fontijn, Patrick Valentijn, and Harry Fokkens, Archaeology from the Dutch Twilight Zone, in Sophie Bergerbrant and Serena Sabatini (ed), Counterpoint: Essays in Archaeology and Heritage Studies in Honour of Professor Kristian Kristiansen, Oxford: Archaeopress, 2013, 531-540 , https://www.academia.edu/6072124/Archaeology_of_the_Dutch_Twilight_Zone

Großmann, Ralph, Interrelations between Corded Ware and Bell Beaker Phenomena?Material Cultures and Identities in the 3rd Millennium BC, in Martin Furholt, Ralph Großmann, Marzena Szmyt, Transitional Landscapes? The 3rd Millennium BC in Europe, Gedruckt mit unterstützung der deutschen forschungsgemeinschaft (DfG), 2016,  Pages 129 – 143, https://www.academia.edu/38915210/R_Großmann_Interrelations_between_corded_ware_and_bell_beaker_phenomena_Material_cultures_and_identities_in_the_3rd_millennium_BC

Bell Beaker Culture, Wikipedia, This page was last edited on 21 June 2025, https://en.wikipedia.org/wiki/Bell_Beaker_culture

[66] “Bell Beaker people took advantage of transport by sea and rivers, creating a cultural spread extending from Ireland to the Carpathian Basin and south along the Atlantic coast and along the Rhône valley to Portugal, North Africa, and Sicily, even penetrating northern and central Italy“

Bell Beaker Culture, Wikipedia, This page was last edited on 11 August 2025, https://en.wikipedia.org/wiki/Bell_Beaker_culture

Van de Noort, Robert, Exploring Agency Behind the Beaker Phenomenon The navigator’s tale, in Harry Fokkens & Franco Nicolis, eds, Inquiries in Regional Cultural Backgrounds of the Bell Beaker Complex, leden: Sidestone Press, 2021, 61-80 , https://www.sidestone.com/openaccess/9789088900846.pdf

[67] “ People of the Bell Beaker tradition are characterized as being sedentary agriculturalists with supplementary animal husbandry, living in small villages of probably not more than thirty to fifty inhabitants, with a form of social organization based on classes. Settlements were located on good agricultural soils, near a source of water such as a river estuary, commanding a valley route, or sited in a strong defensive position, such as the walled and fortified communities of Zambujal and Vila Nova de São Pedro. These fortified settlements, of which Zambujal is a good example, may have functioned as production and trade centers, manufacturing raw products into finished goods which were then traded. The fortifications were therefore necessary to protect the area from raiding activities of other groups. “

“Bell Beaker houses tend to be circular or oval in shape, up to 7 m. in diameter, and sometimes accompanied by adjacent structures which may have served as animal pens. Rectangular houses of relatively large size (6 by 20 m.) have also been noted for Bell Beaker areas in the Netherlands and in Great Britain. In these closely set posts served to support roof and walls. Generally round or oval houses were made of adobe bricks or flat stones, as at Zambujal, and were probably occupied by a single nuclear family. Differences in wealth and status seem to be indicated by the size and complexity of the individual dwellings.“

Beierle, John, Traditional Summary: Bell Beaker, Bell Beaker E050, eHRAF Archaeology, https://ehrafarchaeology.yale.edu/traditions/e050/summary

See also:

Czebreszuk, Janusz, “Bell Beakers from West to East .” Ancient Europe, 8000 B.C. to A.D. 1000: Encyclopedia of the Barbarian World. . Encyclopedia.com. 14 Aug. 2025 https://www.encyclopedia.com/humanities/encyclopedias-almanacs-transcripts-and-maps/bell-beakers-west-east#:~:text=This%20area%20has%20yielded%20many,combined%20into%20a%20unique%20whole.

Bell Beaker Culture, Wikipedia, This page was last edited on 29 August 2025, https://en.wikipedia.org/wiki/Bell_Beaker_culture

David Reich Lab, Supplementary Information, doi:10.1038/nature25738, https://reich.hms.harvard.edu/sites/reich.hms.harvard.edu/files/inline-files/41586_2018_BFnature25738_MOESM2_ESM.pdf

[68] See the various citations that are referenced in prior sections of this story.

[69] ” On the basis of the analysis of settlement patterns, house types, and mortuary goods, Bell Beaker social organization seems to have been distinguished by two major features: (1) occupational status determined by craft specialization, and (2) the division of society into classes of non-elites and elites, the latter based on wealth and the ability to control the distribution of high-status objects in the society. With the spread of the beaker tradition into western Europe, accompanied by the widespread use of copper and gold in societies where they were previously unknown, the development of new technologies and the increased need for novel luxury items formed the basis for the eventual establishment of chiefdoms with their characteristically ranked or hierarchical societies. ”

” A form of loose political control in Bell Beaker society was maintained by the wealthy elite, who, could summon on demand both a labor and a protective military force as needed. This form of political power approached that which we would call a chiefdom, or at least an organization very similar to it. “

Beierle, John, Traditional Summary: Bell Beaker, Bell Beaker E050, eHRAF Archaeology, https://ehrafarchaeology.yale.edu/traditions/e050/summary

[70] “… (S)ingle burial, communal burial, and reuse of Neolithic burial sites are found throughout the Bell Beaker zone. This overturns a previous conviction that single burial was unknown in the early or southern Bell Beaker zone, and so must have been adopted from Corded Ware in the contact zone of the Lower Rhine, and transmitted westwards along the exchange networks from the Rhine to the Loire,  and northwards across the English Channel to Britain.”

 Bell Beaker Culture, Wikipedia, This page was last edited on 11 August 2025, https://en.wikipedia.org/wiki/Bell_Beaker_culture

See also:

Zedda, N., Meheux, K., Blöcher, J. et al. Biological and substitute parents in Beaker period adult–child graves. Sci Rep 13, 18765 (2023). https://doi.org/10.1038/s41598-023-45612-3

Sjögren, Karl-Goran, et al, Kinship and social organization in Copper Age Europe. A cross-disciplinary analysis of archaeology, DNA, isotopes, and anthropology from two Bell Beaker cemeteries, PLoS ONE 15(11): e0241278, 2020, doi.org/10.1371/journal.pone.0241278 (pubMed) https://pmc.ncbi.nlm.nih.gov/articles/PMC7668604/

Torben Sarauw, Male symbols or warrior identities? The ‘archery burials’ of the Danish Bell Beaker Culture, Journal of Anthropological Archaeology, Volume 26, Issue 1, 2007, Pages 65-87, ISSN 0278-4165, https://doi.org/10.1016/j.jaa.2006.05.001.
https://www.sciencedirect.com/science/article/pii/S0278416506000365

[71] ” Despite the fact that many thousands of graves have been excavated, it is not clear that there were any institutionalized high status groups in Bell Beaker Europe. The reason for this is that the complex as it is known from graves is characterized by a striking uniformity in the set of grave goods. This does not exclude the existence of apparently important individuals …  or other seemingly high status individuals buried with gold objects in Central Europe and Iberia. It is also important to recognize the possibility of an ascertainment bias: the Beaker burials that are best characterized, some of which discovered underneath burial mounds, may represent an exclusive segment of society. Some archaeologists have suggested that the burials of the Beaker Complex represent a social elite that introduced new customs and technologies. It is plausible that the majority were buried without elements of the Beaker package and therefore are less recognizable in archaeological context. ”

David Reich Lab, Supplementary Information, doi:10.1038/nature25738, https://reich.hms.harvard.edu/sites/reich.hms.harvard.edu/files/inline-files/41586_2018_BFnature25738_MOESM2_ESM.pdf

See also:

Beierle, John, Traditional Summary: Bell Beaker, Bell Beaker E050, eHRAF Archaeology, https://ehrafarchaeology.yale.edu/traditions/e050/summary

Clément, Nicolas, The prestige of warriors: Bell Beaker archers’ equipment in Central Europe, Préhistoires Méditerranéennes [En ligne], 8 | 2020, mis en ligne le 29 janvier 2021, consulté le 28 août 2025. URL : http://journals.openedition.org/pm/2167  ; DOI : https://doi.org/10.4000/pm.2167

[72] Lemercier, Olivier (December 2018). “Think and Act: Local Data and Global Perspectives in Bell Beaker Archaeology”. Journal of Neolithic Archaeology. 20 (Special Issue 4): 77–96. doi:10.12766/jna.2018S.5 , https://www.academia.edu/38019997/LEMERCIER_O_2018_Think_and_Act_Local_Data_and_Global_Perspectives_in_Bell_Beaker_Archaeology_Journal_of_Neolithic_Archaeology_20_2018S_p_77_96

Lemercier, Olivier, Historical model of settling and spread of Bell Beakers Culture in the mediterranean France, Symposium of the Northeast Frontier of Bell Beakers – Poznan (Poland) – 26-29 May 2002. Session : What’s new in the study of Bell Beakers after Riva del Garda. https://shs.hal.science/halshs-00087311/file/Historical_Model_Bell_Beakers_-_2004.pdf

Vander Linden, Marc, ‘Bell Beaker Pottery and Society’, in Chris Fowler, Jan Harding, and Daniela Hofmann (eds), The Oxford Handbook of Neolithic Europe (2015; online edn, Oxford Academic, 5 Dec. 2014), https://doi.org/10.1093/oxfordhb/9780199545841.013.031

Favrel, Quinten, Around Maritime beaker: the vases à cordon, linear beakers and épicampaniforme productions in north‑western France, 16 Jan 2020, OpenEdition Journals, https://journals.openedition.org/pm/2163?lang=en

Drenth, Erik and Mom, Vincent, Continuity and change: on a computer-aided classification of Late Neolithic and Early Bronze Age pottery from the Netherlands, 1. Jan 1955, Computer Applications to Archaeology 2009 Williamsburg, Virginia, USA. March 22-26, 2009, https://www.researchgate.net/publication/242457506_Continuity_and_change_on_a_computer-aided_classification_of_Late_Neolithic_and_Early_Bronze_Age_pottery_from_the_Netherlands

J. D. Van Der Waals, J.D., W. Glasbergen, Beaker Types and their Distribution in the Netherlands, Paleohistoria, 4 , 1955, 1- 630https://ugp.rug.nl/Palaeohistoria/article/view/24772/22220

[73] Dalal, Vasundhra; Pasupuleti, Nagarjuna; Chaubey, Gyaneshwer; Rai, Niraj; Shinde, Vasant Advancements and Challenges in Ancient DNA Research: Bridging the Global North–South Divide. Genes 2023, 14, 479. https://doi.org/10.3390/genes14020479

Briggs, Lisa, Ancient DNA Research in Maritime and Underwater Archaeology: Pitfalls, Promise, and Future Directions, in Maritime and Underwater Archaeology: Pitfalls, Promise, and Future Directions’, Open Quaternary, 6(1), p. 3. https://openquaternary.com/articles/10.5334/oq.71

Aja Golob, Pia Kravanja, Monica Concato, Tamara Leskovar, Irena Zupanič Pajnič,
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Fokkens, H., Steffens, B. J. W. & van As, S. F. . Farmers, fishers, fowlers, hunters: knowledge generated by development-led archaeology about the Late Neolithic, the Early Bronze Age and the start of the Middle Bronze Age (2850–1500 cal BC) in the Netherlands. Ned. Archeol. Rapp. 53, 978–990 (2016) https://www.academia.edu/31484011/Farmers_fishers_fowlers_hunters_Knowledge_generated_by_development_led_archaeology_about_the_Late_Neolithic_the_Early_Bronze_Age_and_the_start_of_the_Middle_Bronze_Age_2850_1500_cal_BC_in_the_Netherlands

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Renaud G, Schubert M, Sawyer S, Orlando L. Authentication and Assessment of Contamination in Ancient DNA. Methods Mol Biol. 2019;1963:163-194. doi: 10.1007/978-1-4939-9176-1_17. PMID: 30875054 (PubMed) https://pubmed.ncbi.nlm.nih.gov/30875054/

[75] Iñigo Olalde,et alLong-term hunter-gatherer continuity in the Rhine-Meuse region was disrupted by local formation of expansive Bell Beaker groups, bioRxiv 2025. 03.24.644985; doi: https://doi.org/10.1101/2025.03.24.644985

[76] Iñigo Olalde,et alLong-term hunter-gatherer continuity in the Rhine-Meuse region was disrupted by local formation of expansive Bell Beaker groups, bioRxiv 2025. 03.24.644985; doi: https://doi.org/10.1101/2025.03.24.644985

[77] Iñigo Olalde,et alLong-term hunter-gatherer continuity in the Rhine-Meuse region was disrupted by local formation of expansive Bell Beaker groups, bioRxiv 2025. 03.24.644985; doi: https://doi.org/10.1101/2025.03.24.644985

[78] Iñigo Olalde,et alLong-term hunter-gatherer continuity in the Rhine-Meuse region was disrupted by local formation of expansive Bell Beaker groups, bioRxiv 2025. 03.24.644985; doi: https://doi.org/10.1101/2025.03.24.644985