From the BBC: Yorkshire clan linked to Africa.

People of African origin have lived in Britain for centuries, according to genetic evidence.

A Leicester University study found that seven men with a rare Yorkshire surname carry a genetic signature previously found only in people of African origin.

The men seem to have shared a common ancestor in the 18th Century, but the African DNA lineage they carry may have reached Britain centuries earlier. [continue]

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• Tracing the route of our shared DNA from Africa to Yorkshire – Times Online