The Swahili Merchants of Mtwapa

The stone towns of the Swahili coast grew rich on the monsoon trade linking Africa to Arabia, Persia and India, and their own chronicles told of founders who came from Persia. These twelve people were buried at Mtwapa on the Kenyan coast and at Songo Mnara off Tanzania, and they were studied with the involvement of coastal communities, the results returned to them and the remains reburied under local rules. Their genomes bore out the old tradition: the medieval coastal elite averaged about 57 percent African, 39 percent Persian and 4 percent Indian ancestry, the Persian side arriving mostly through men and the African through women, with the mixing under way by about 1000 CE as Islam took root. After 1500 an Arabian strand grows stronger.

The genome-wide data behind this entry was published in Entwined African and Asian genetic roots of medieval peoples of the Swahili coast.

Every Ancestry Map includes the free Notable Matches lens: your coordinates are compared to every sequenced member of every catalog entry, and the distance to the closest member is reported, a Euclidean distance in the same 25-dimensional space the Distance lens uses. Because these are a small group of real individuals, not a population average, distances naturally run larger than population distances. That is expected, not a poor result. And one thing is never claimed: a small distance means similar ancestry composition, not that the Swahili Merchants of Mtwapa are your ancestor. See how it looks in the live demo or read about Ancestry Map, the full Global25 report.

• 01

  Who were the Swahili Merchants of Mtwapa?

  The Swahili Merchants of Mtwapa (c. 1250-1600 CE, Mtwapa, Kilifi County, Kenya) are one of the Historical figures entries in our Notable Matches catalog, represented by 12 sequenced ancient genomes published in the study "Entwined African and Asian genetic roots of medieval peoples of the Swahili coast".

• 02

  What does "matching" the Swahili Merchants of Mtwapa mean?

  Your Global25 coordinates are compared to the entry's sequenced members and the distance to the closest one is reported, a Euclidean distance in the same 25-dimensional reference space the Distance lens uses. A notable entry is one person or one small burial group, not a population average, so distances naturally run larger than population distances.

• 03

  Are they my ancestor?

  No, and no DNA test can show that. A small distance means your genome sits near theirs in a shared reference space: similar ancestry composition, not descent. Ancestrify never claims a notable individual is your ancestor or relative.

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  How do I see my own distance to the Swahili Merchants of Mtwapa?

  Notable Matches is a free lens on every Ancestry Map, never sold separately. Order Ancestry Map, our Global25 analysis (29.99 EUR), and your report ranks your coordinates against the full catalog, with a portrait, dossier and map for every entry. The public demo shows the lens with example data.

The catalog holds every published entry across three tiers. Browse the full Notable Matches directory. Nearby entries:

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