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Portrait reconstruction of A man buried in Tanzania in the Swahili era
Ancient Individual

A man buried in Tanzania in the Swahili era

A man buried in Tanzania during the Swahili Culture of Songo Mnara

A fragment of the ancient world, preserved across millennia in strands of DNA.

I19548
1418 CE - 1450 CE
Male
Tanzania
Scroll to begin
Chapter I

Identity

The biological and cultural markers that define this ancient individual

Sample ID

I19548

Date Range

1418 CE - 1450 CE

Cultural Period

Swahili Culture of Songo Mnara

Biological Sex

Male

mtDNA Haplogroup

L3e2b

Y-DNA Haplogroup

E-M2

Social Role

Fisher (AI estimate, era-typical)

Chapter II

Place

Where this individual was discovered

Country Tanzania
Locality Songo Mnara (Kilwa District, Songo Mnara Island)
Coordinates -9.0619, 39.5499
Chapter III

Time

When this individual lived in the broader context of human history

I19548 1418 CE - 1450 CE
Chapter IV

Story

The narrative of this ancient life

Overview

Songo Mnara Swahili culture refers to a Swahili coastal community in Tanzania during approximately 1200–1500 CE. This phase belongs to the broader development of East African Swahili urban centers linked to Indian Ocean trade.

Region & Environment

Songo Mnara was situated in a coastal environment that supported maritime transport and coastal subsistence. The presence of harbors and access to marine and near-coastal resources would have been key to the settlement’s role in trade and daily life.

Local building materials and water access would have influenced where and how people constructed homes and workshops.

Historical Context

In the twelfth to fifteenth centuries, Swahili communities along the coast increasingly participated in long-distance exchange, with goods moving by sea across the Indian Ocean. Songo Mnara fits within this regional historical trend of urban growth and changing commercial connections.

Archaeological sequences for such towns often show occupational phases, reflecting periods of building, maintenance, and reorganization.

Populations & Lifeways

Residents of Swahili coastal settlements lived in neighborhood-based communities where household activities intersected with trade and craft work. Fishing and food preparation formed part of daily subsistence, while crafts and exchange supported access to imported goods and wider markets.

The rhythm of sailing and market exchange would have structured some aspects of community life, alongside local routines.

Archaeology & Material Culture

Songo Mnara is archaeologically known for its built environment and domestic contexts, including structures made from locally available materials. Artifact assemblages can include ceramics and other portable goods, some of which may be imported, reflecting participation in exchange.

In addition to everyday items, evidence for craft activities—such as production debris in appropriate contexts—can help reconstruct how households and workshops contributed to the coastal economy.

Culture & Society

The society of Songo Mnara can be characterized through shared Swahili urban practices, including distinctive construction patterns and material consumption. Such patterns reflect integration into a broader Swahili cultural sphere while also showing local variation.

Archaeology demonstrates connection and craft organization, but it cannot fully resolve questions of political history or ethnicity; interpretations should remain grounded in what the material record can support.

Legacy & Transition

The 1200–1500 CE Songo Mnara horizon highlights a mature phase of Swahili coastal urbanism. Later changes across the East African coast altered economic and settlement patterns, but the earlier period remains crucial for understanding how urban Swahili communities were organized materially.

This era’s legacy lies in establishing a clear archaeological picture of coastal life at the height of Swahili maritime exchange prior to later regional transformations.

Context

Related Samples

This individual exists within a broader network of ancient samples. No ancient genome stands alone.

Sample ID Culture/Period Date Location Action
I7934 Swahili Culture of Manda Island 1456 CE Manda (Lamu), Kenya View
I7939 Swahili Culture of Manda Island 1456 CE Manda (Lamu), Kenya View
I7941 Swahili Culture of Manda Island 1485 CE Manda (Lamu), Kenya View
I7942 Swahili Culture of Manda Island 1457 CE Manda (Lamu), Kenya View
I7943 Swahili Culture of Manda Island 1400 CE Manda (Lamu), Kenya View
I7944 Swahili Culture of Songo Mnara 1516 CE Songo Mnara (Kilwa District, Songo Mnara Island), Tanzania View
I8816 Swahili Culture of Kilwa 1300 CE Kilwa (Kilwa District), Tanzania View
I13871 Makwasinyi (Kenya) 1650 CE Makwasinyi (Taita-Taveta), Kenya View
I13872 Makwasinyi (Kenya) 1650 CE Makwasinyi (Taita-Taveta), Kenya View
I13873 Makwasinyi (Kenya) 1650 CE Makwasinyi (Taita-Taveta), Kenya View
I13874 Makwasinyi (Kenya) 1709 CE Makwasinyi (Taita-Taveta), Kenya View
I13875 Makwasinyi (Kenya) 1667 CE Makwasinyi (Taita-Taveta), Kenya View
I13876 Makwasinyi (Kenya) 1650 CE Makwasinyi (Taita-Taveta), Kenya View
I14001 Swahili Culture of Lindi 1511 CE Lindi, Tanzania View
I14780 Makwasinyi (Kenya) 1650 CE Makwasinyi (Taita-Taveta), Kenya View
I14781 Makwasinyi (Kenya) 1698 CE Makwasinyi (Taita-Taveta), Kenya View
I17401 Makwasinyi (Kenya) 1650 CE Makwasinyi (Taita-Taveta), Kenya View
I17402 Makwasinyi (Kenya) 1650 CE Makwasinyi (Taita-Taveta), Kenya View
I17404 Makwasinyi (Kenya) 1650 CE Makwasinyi (Taita-Taveta), Kenya View
I17405 Makwasinyi (Kenya) 1650 CE Makwasinyi (Taita-Taveta), Kenya View
I17406 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I17407 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I17410 Swahili Culture of Mtwapa 1446 CE Mtwapa (Kilifi), Kenya View
I17419 Swahili Culture of Manda Island 800 CE Manda (Lamu), Kenya View
I19381 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I19384 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I19385 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I19387 Swahili Culture of Mtwapa 1457 CE Mtwapa (Kilifi), Kenya View
I19388 Swahili Culture of Mtwapa 1200 CE Mtwapa (Kilifi), Kenya View
I19390 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I19392 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I19393 Swahili Culture of Mtwapa 1200 CE Mtwapa (Kilifi), Kenya View
I19394 Swahili Culture of Mtwapa 1200 CE Mtwapa (Kilifi), Kenya View
I19395 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I19404 Bungule People of Kenya 1400 CE Bungule (Taita-Taveta), Kenya View
I19407 Swahili Culture of Manda Island 1400 CE Manda (Lamu), Kenya View
I19408 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I19411 Swahili Culture of Mtwapa 1496 CE Mtwapa (Kilifi), Kenya View
I19413 Swahili Culture of Mtwapa 1446 CE Mtwapa (Kilifi), Kenya View
I19414 Swahili Culture of Mtwapa 1350 CE Mtwapa (Kilifi), Kenya View
I19416 Swahili Culture of Mtwapa 1445 CE Mtwapa (Kilifi), Kenya View
I19417 Swahili Culture of Mtwapa 1400 CE Mtwapa (Kilifi), Kenya View
I19418 Swahili Culture of Mtwapa 1497 CE Mtwapa (Kilifi), Kenya View
I19419 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I19420 Swahili Culture of Mtwapa 1446 CE Mtwapa (Kilifi), Kenya View
I19423 Swahili Culture of Mtwapa 1323 CE Mtwapa (Kilifi), Kenya View
I19547 Swahili Culture of Songo Mnara 1508 CE Songo Mnara (Kilwa District, Songo Mnara Island), Tanzania View
I19548 Swahili Culture of Songo Mnara 1418 CE Songo Mnara (Kilwa District, Songo Mnara Island), Tanzania View
I19550 Swahili Culture of Songo Mnara 1412 CE Songo Mnara (Lindi Region, Kilwa District, Songo Mnara Island) , Tanzania View
I19552 Swahili Culture of Songo Mnara 1402 CE Songo Mnara (Kilwa District, Songo Mnara Island), Tanzania View
I23548 Swahili Culture of Faza 1645 CE Faza (Lamu, Pate Island), Kenya View
I23550 Swahili Culture of Mtwapa 1200 CE Mtwapa (Kilifi), Kenya View
I23551 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I23554 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I23657 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I23660 Swahili Culture of Mtwapa 1435 CE Mtwapa (Kilifi), Kenya View
I23662 Swahili Culture of Mtwapa 1450 CE Mtwapa (Kilifi), Kenya View
I24661 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I24662 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I24663 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I24665 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I24975 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I13611 Swahili Culture of Mtwapa 1350 CE Mtwapa (Kilifi), Kenya View
I17409 Swahili Culture of Mtwapa 1226 CE Mtwapa (Kilifi), Kenya View
I17412 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I17413 Swahili Culture of Mtwapa 1250 CE Mtwapa (Kilifi), Kenya View
I19386 Swahili Culture of Mtwapa 1451 CE Mtwapa (Kilifi), Kenya View
I19391 Swahili Culture of Mtwapa 1200 CE Mtwapa (Kilifi), Kenya View
I19401 Swahili Culture of Mtwapa 1435 CE Mtwapa (Kilifi), Kenya View
I19409 Swahili Culture of Mtwapa 1442 CE Mtwapa (Kilifi), Kenya View
I19415 Swahili Culture of Mtwapa 1408 CE Mtwapa (Kilifi), Kenya View
I19549 Swahili Culture of Songo Mnara 1629 CE Songo Mnara (Kilwa District, Songo Mnara Island), Tanzania View
I21475 Swahili Culture of Mtwapa 1454 CE Mtwapa (Kilifi), Kenya View
I23558 Swahili Culture of Mtwapa 1200 CE Mtwapa (Kilifi), Kenya View
I23561 Swahili Culture of Mtwapa 1424 CE Mtwapa (Kilifi), Kenya View
I7938 Swahili Culture of Manda Island 1437 CE Manda (Lamu), Kenya View
Sample ID Culture/Period Date Location Action
I7944 Swahili Culture of Songo Mnara 1516 CE Songo Mnara (Kilwa District, Songo Mnara Island), Tanzania View
I19547 Swahili Culture of Songo Mnara 1508 CE Songo Mnara (Kilwa District, Songo Mnara Island), Tanzania View
I19548 Swahili Culture of Songo Mnara 1418 CE Songo Mnara (Kilwa District, Songo Mnara Island), Tanzania View
I19550 Swahili Culture of Songo Mnara 1412 CE Songo Mnara (Lindi Region, Kilwa District, Songo Mnara Island) , Tanzania View
I19552 Swahili Culture of Songo Mnara 1402 CE Songo Mnara (Kilwa District, Songo Mnara Island), Tanzania View
I19549 Swahili Culture of Songo Mnara 1629 CE Songo Mnara (Kilwa District, Songo Mnara Island), Tanzania View
Sources

References

Scientific publications and genetic data that inform this profile.

Scientific Publication

Entwined African and Asian genetic roots of medieval peoples of the Swahili coast

Authors Brielle ES, Fleisher J, Wynne-Jones S, Sirak K, Broomandkhoshbacht N et al.
Abstract

The urban peoples of the Swahili coast traded across eastern Africa and the Indian Ocean and were among the first practitioners of Islam among sub-Saharan people1,2. The extent to which these early interactions between Africans and non-Africans were accompanied by genetic exchange remains unknown. Here we report ancient DNA data for 80 individuals from 6 medieval and early modern (AD 1250-1800) coastal towns and an inland town after AD 1650. More than half of the DNA of many of the individuals from coastal towns originates from primarily female ancestors from Africa, with a large proportion-and occasionally more than half-of the DNA coming from Asian ancestors. The Asian ancestry includes components associated with Persia and India, with 80-90% of the Asian DNA originating from Persian men. Peoples of African and Asian origins began to mix by about AD 1000, coinciding with the large-scale adoption of Islam. Before about AD 1500, the Southwest Asian ancestry was mainly Persian-related, consistent with the narrative of the Kilwa Chronicle, the oldest history told by people of the Swahili coast3. After this time, the sources of DNA became increasingly Arabian, consistent with evidence of growing interactions with southern Arabia4. Subsequent interactions with Asian and African people further changed the ancestry of present-day people of the Swahili coast in relation to the medieval individuals whose DNA we sequenced.

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