Nigga who?
Beachy Head Woman, a skeleton from the time of Roman Britain, (second, third century AD) was thought to be from Subsaharan Africa because of the shape of her skull. BBC reported as the first black Briton. Now this is the kind of DEI bullshit that we have been fed in the past decade or so.
It is possible that black men were part of the regions stationed in Britain but I am not sure to what extent and to point them out serves current political agendas more than any quest for historical accuracy.
Insomniac Resurrected 
Black Africans stationed in Europe during that era were Nubians, real ones, not those memed by hoteps, and they’re basically akin to Habesha Ethiopians. So even if some had mixed kids in Europe none of them would look like random Yoruba guy.
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