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Portrait reconstruction of PB675
Ancient Individual

A man buried in Ireland in the Middle Neolithic era

PB675
3362 BCE - 3102 BCE
Male
Middle Neolithic Ireland
Ireland
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Chapter I

Identity

The biological and cultural markers that define this ancient individual

Sample ID

PB675

Date Range

3362 BCE - 3102 BCE

Biological Sex

Male

mtDNA Haplogroup

H1

Y-DNA Haplogroup

I2a1a1b

Cultural Period

Middle Neolithic Ireland

Chapter II

Place

Where this individual was discovered

Country Ireland
Locality Ireland. Clare. Parknabinnia
Coordinates 52.9855, -9.1115
Chapter III

Time

When this individual lived in the broader context of human history

PB675 3362 BCE - 3102 BCE
Chapter IV

Story

The narrative of this ancient life

The Middle Neolithic era in Ireland, approximately 3500–2500 BCE, marks a significant period in the prehistoric timeline of the island, although it precedes the arrival of the Celts, who are traditionally associated with the Iron Age some millennia later. However, understanding this era involves examining the broader context of Neolithic (New Stone Age) culture that profoundly shaped Ireland's prehistoric landscape.

Introduction

The Middle Neolithic period in Ireland represents a continuation and expansion of societal developments that began with the advent of agriculture. This era saw the emergence of more complex communities, advancements in farming, significant architectural achievements, and a deepening spiritual and ritualistic culture. This period laid foundational aspects that evolved into the rich cultural tapestry of ancient Ireland.

Agriculture and Economy

Farming techniques developed and became more sophisticated during the Middle Neolithic. People primarily engaged in mixed farming, cultivating cereal crops such as wheat and barley, and domesticating animals including cattle, sheep, goats, and pigs. The impact of agriculture is evident in the archaeological record, with arable farming leading to a more sedentary lifestyle compared to the previous Mesolithic hunter-gatherer existence.

Settlements

During this time, small, scattered communities began to develop more permanent settlements. These communities typically consisted of timber houses with thatched roofs, and occasionally stone structures. The post-and-plank constructed buildings were usually rectangular or oval and composed of wattle and daub, reflecting a deeper commitment to land and longer-term habitation.

Megalithic Monuments

One of the most distinguishing features of the Middle Neolithic era in Ireland is the construction of megalithic monuments. These structures, including dolmens, passage tombs, and court cairns, suggest a highly organized society with a strong spiritual and ritualistic focus. Notable examples include:

  • Newgrange: Part of the Brú na Bóinne UNESCO World Heritage Site, this passage tomb is renowned for its winter solstice alignment and intricate carvings.
  • Knowth and Dowth: Lesser-known tombs in the same complex as Newgrange, reflecting sophisticated construction and celestial alignments.
  • Carrowmore and Carrowkeel: Large megalithic cemeteries in County Sligo, indicative of widespread cultural practices.

These structures are complex engineering feats, illustrating advanced knowledge of architecture, astronomy, and mathematics, and likely served both as burial sites and ceremonial centers.

Art and Symbolism

Neolithic Ireland is rich with artistic expression, from petroglyphs on stones to decorative motifs on pottery. Spirals, lozenges, and other geometric patterns adorn many megaliths and artifacts, potentially holding symbolic or ritualistic significance. The artwork suggests a profound connection with nature and celestial cycles, reflecting an advanced level of abstraction and communication.

Social Structure and Religion

The construction of enormous communal tombs demonstrates significant social organization, possibly involving cooperative labor and centralized leadership or priesthood. The society may have had complex rituals and belief systems, with evidence suggesting reverence for ancestors and perhaps a proto-religion focusing on nature deities or spirits. The inclusion of grave goods in burial sites, such as intricately crafted tools and pottery, indicates beliefs in an afterlife or continued existence beyond death.

Technological and Tool Advancements

The Middle Neolithic saw progress in tool-making techniques, with polished stone axes being prolific across Ireland, reflecting improved craftsmanship. Flint and stone tools continued to evolve, affecting both daily life and the economy by increasing efficiency in farming and construction.

Trade and Interaction

Evidence suggests that the Neolithic people of Ireland were not isolated. There is evidence of trade and cultural exchange within Ireland and potentially with other regions across the Irish Sea, including Britain and continental Europe. Obsidian, marine shells, and certain stone types not native to Ireland indicate the establishment of trade networks.

Conclusion

The Middle Neolithic period in Ireland was a time of transformation, influencing the land and its people profoundly. Despite being distinct from Celtic culture, which arrived later, this period laid essential foundations for the development of spiritual, social, and technological practices that persisted and evolved in later cultural phases. The Neolithic era is a testament to the ingenuity and adaptability of early peoples in Ireland, reflecting a legacy that would echo through subsequent ages.

Chapter V

Genetics

The genetic ancestry of this ancient individual

Ancient Genetic Admixture

This analysis compares the DNA profile of PB675 with ancient reference populations, showing the genetic composition in terms of prehistoric ancestral groups.

Neolithic Farmers 50.1%
European Hunter-Gatherers 30.0%
Western Steppe Pastoralists 19.9%

Modern Genetic Admixture

This analysis compares the DNA profile with present-day reference populations, showing what percentage of genetic makeup resembles modern populations from different regions.

Europe 96.2%
Southern European 96.2%
Iberian 63.8%
Sardinian 17.4%
Italian 11.6%
Balkan 3.3%
Africa 2.4%
North African 1.5%
Egyptian 1.5%
West African 0.8%
Ghanaian, Liberian, Sierra Leonean 0.8%
Asia 1.4%
Chinese & Southeast Asian 0.8%
Chinese 0.8%
Arab, Egyptian & Levantine 0.6%
Arabian 0.6%

Closest Modern Populations

These are the modern populations showing the closest statistical alignment to A man buried in Ireland in the Middle Neolithic era, ranked by genetic distance. Lower distance values indicate closer statistical similarity.

1
Sardinian
4.1076
2
Spanish La Rioja
4.5996
3
French Corsica
4.8715
4
Spanish Castilla La Mancha
4.9299
5
Spanish Castello
4.9795
6
Spanish Pirineu
4.9932
7
Spanish Aragon
5.0208
8
Spanish Cantabria
5.0453
9
Spanish Navarra
5.0577
10
Spanish Burgos
5.0638
Chapter VI

Context

Other ancient individuals connected to this sample

Sources

References

Scientific publications and genetic data

Scientific Publication

A dynastic elite in monumental Neolithic society

Authors Cassidy LM, Maoldúin RÓ, Kador T
Abstract

The nature and distribution of political power in Europe during the Neolithic era remains poorly understood1. During this period, many societies began to invest heavily in building monuments, which suggests an increase in social organization. The scale and sophistication of megalithic architecture along the Atlantic seaboard, culminating in the great passage tomb complexes, is particularly impressive2. Although co-operative ideology has often been emphasised as a driver of megalith construction1, the human expenditure required to erect the largest monuments has led some researchers to emphasize hierarchy3-of which the most extreme case is a small elite marshalling the labour of the masses. Here we present evidence that a social stratum of this type was established during the Neolithic period in Ireland. We sampled 44 whole genomes, among which we identify the adult son of a first-degree incestuous union from remains that were discovered within the most elaborate recess of the Newgrange passage tomb. Socially sanctioned matings of this nature are very rare, and are documented almost exclusively among politico-religious elites4-specifically within polygynous and patrilineal royal families that are headed by god-kings5,6. We identify relatives of this individual within two other major complexes of passage tombs 150 km to the west of Newgrange, as well as dietary differences and fine-scale haplotypic structure (which is unprecedented in resolution for a prehistoric population) between passage tomb samples and the larger dataset, which together imply hierarchy. This elite emerged against a backdrop of rapid maritime colonization that displaced a unique Mesolithic isolate population, although we also detected rare Irish hunter-gatherer introgression within the Neolithic population.

G25 Coordinates

The G25 coordinates for sample PB675 can be used for detailed admixture analysis in our G25 Studio tool.

PB675,0.12066136,0.15839396,0.0336881,-0.02520768,0.05625188,-0.01369676,-0.00164114,0.00548548,0.03484978,0.05934904,-0.00579084,0.01418874,-0.02497354,-0.01253166,-0.00306538,0.002596,0.00328452,-0.00074474,-0.00068362,-0.00320414,0.00220598,0.00494764,-0.01190004,-0.0157524,0.00353352
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