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Portrait reconstruction of I12381
Ancient Individual

A woman buried in Kenya in the Africa East Pastoralist Iron Age era

I12381
1296 BCE - 1394 BCE
Female
Iron Age Pastoral in Kenya
Kenya
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Chapter I

Identity

The biological and cultural markers that define this ancient individual

Sample ID

I12381

Date Range

1296 BCE - 1394 BCE

Biological Sex

Female

mtDNA Haplogroup

L0a1c1

Cultural Period

Iron Age Pastoral in Kenya

Chapter II

Place

Where this individual was discovered

Country Kenya
Locality Laikipia District Burial Site. GoJl45
Coordinates 0.3800, 36.8930
Chapter III

Time

When this individual lived in the broader context of human history

I12381 1296 BCE - 1394 BCE
Chapter IV

Story

The narrative of this ancient life

The Iron Age Pastoral period in Kenya, particularly among the Nilotic-speaking communities, is a fascinating era marked by significant cultural, technological, and economic developments. This era, which began around the first millennium BCE, saw the Nilotic speakers, known for their pastoral lifestyle, make significant strides in integrating iron technology into their societies, which profoundly influenced their way of life.

Geographic Context

The Iron Age Pastoral period in Kenya unfolded primarily in the expansive savannahs and semi-arid regions of the Rift Valley, Western Kenya, and parts of the Highlands. These areas, characterized by open grasslands, were ideal for the pastoral lifestyle centered on cattle herding, which was, and remains, a crucial aspect of Nilotic culture.

Cultural Aspects

  1. Social Structure: Nilotic pastoral societies were organized into clans and age-sets, which played essential roles in governance and social cohesion. The age-set system organized individuals into groups based on age, progressing through various stages of life and responsibilities.

  2. Economic Activities: The Nilotic people's economy was heavily reliant on cattle herding. Cattle were the primary source of sustenance, social status, and wealth. The pastoralists also engaged in trade with agricultural communities, exchanging livestock products for crops and iron tools.

  3. Iron Technology: The adoption of iron technology was pivotal. Iron tools and weapons significantly improved food production, hunting, and defense capabilities. Iron smelting and blacksmithing became specialized crafts, contributing to local economies and enhancing agricultural practices.

  4. Livelihood and Mobility: The pastoral lifestyle necessitated a semi-nomadic existence to adapt to changing seasons and graze patterns. This mobility allowed for the exchange of goods and cultural practices across different regions, facilitating a rich tapestry of cultural exchange.

Socio-Political Dynamics

The period saw the emergence of more centralized forms of leadership within pastoral groups. Chieftaincies or council of elders often directed communal decisions, mediating conflicts and organizing communal activities. Cattle raiding and protection of grazing lands were significant concerns, often leading to alliances and hostilities with neighboring communities.

Spiritual and Ritual Practices

The Nilotic pastoralists practiced spiritual beliefs centered around a supreme deity, ancestor veneration, and nature spirits. Cattle held sacred values, often incorporated into rituals and ceremonies. There were also rites of passage marking transitions in life stages, such as circumcision and marriage, which were deeply embedded in their spiritual life.

Art and Expression

Artistic expression in Iron Age pastoral societies was richly tied to their environment and lifestyle. This included body ornamentation, beadwork, and ceremonial garments. Music and dance were integral to social and ceremonial occasions, fostering community bonds.

Impact on Contemporary Culture

The cultural and technological advancements of the Iron Age pastoral Nilotic communities have had a lasting impact on the social and cultural landscape of modern Kenya. Many contemporary Nilotic communities, such as the Maasai, Turkana, and Samburu, still maintain pastoral livelihoods and cultural practices that trace back to this era. Their traditions, oral histories, and societal structures continue to reflect the enduring influence of their Iron Age ancestors.

In conclusion, the Iron Age Pastoral period in Kenya among the Nilotic groups represents a transformative epoch. It highlights how communities adapted to environmental and technological changes, sustaining a way of life that continues to be a vital aspect of Kenya's diverse cultural heritage.

Chapter V

Genetics

The genetic ancestry of this ancient individual

Ancient Genetic Admixture

This analysis compares the DNA profile of I12381 with ancient reference populations, showing the genetic composition in terms of prehistoric ancestral groups.

Ancient Africans 65.2%
Neolithic Farmers 29.2%
Ancient Asians 3.5%
Western Steppe Pastoralists 2.1%

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.

Africa 98.0%
Northern East African 75.8%
Ethiopian 44.9%
Eastern African 30.9%
West African 9.3%
Senegambian & Guinean 9.3%
North African 6.1%
North African 3.3%
Egyptian 2.8%
African Hunter-Gatherer 3.6%
African Hunter-Gatherer 3.6%
Congolese & Southern East African 3.1%
South East African 3.1%
Asia 1.4%
Central Asian, Northern Indian & Pakistani 0.9%
Indian 0.9%
Oceania 0.6%
Melanesian 0.6%
Papuan 0.6%

Closest Modern Populations

These are the modern populations showing the closest statistical alignment to A woman buried in Kenya in the Africa East Pastoralist Iron Age era, ranked by genetic distance. Lower distance values indicate closer statistical similarity.

1
Elmolo
2.3095
2
Datog
2.6913
3
Ogiek
3.9184
4
Masai
4.4280
5
Baggara Arab Sudan
4.5731
6
Ethiopian Ari Cultivator
5.4752
7
Ethiopian Ari Blacksmith
5.8453
8
Iraqw
6.1121
9
Ethiopian Ari
6.3227
10
Chad Daza
6.4257
Chapter VI

Context

Other ancient individuals connected to this sample

Sources

References

Scientific publications and genetic data

Scientific Publication

Ancient DNA reveals a multistep spread of the first herders into sub-Saharan Africa

Authors Prendergast ME, Lipson M, Sawchuk EA
Abstract

How food production first entered eastern Africa ~5000 years ago and the extent to which people moved with livestock is unclear. We present genome-wide data from 41 individuals associated with Later Stone Age, Pastoral Neolithic (PN), and Iron Age contexts in what are now Kenya and Tanzania to examine the genetic impacts of the spreads of herding and farming. Our results support a multiphase model in which admixture between northeastern African-related peoples and eastern African foragers formed multiple pastoralist groups, including a genetically homogeneous PN cluster. Additional admixture with northeastern and western African-related groups occurred by the Iron Age. These findings support several movements of food producers while rejecting models of minimal admixture with foragers and of genetic differentiation between makers of distinct PN artifacts.

G25 Coordinates

The G25 coordinates for sample I12381 can be used for detailed admixture analysis in our G25 Studio tool.

I12381,-0.40417966,0.08009536,-0.0178379,-0.04063872,-0.00246132,-0.0182967,-0.00885996,-0.00156314,0.09811856,-0.07859248,-0.01585804,0.00316836,-0.01256286,0.00144828,0.01580472,-0.01408634,0.0144933,-0.00404946,0.013053,-0.00794978,0.00282838,-7.6E-07,-0.00360296,-0.00260292,0.00255393
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