Re 1mil: if usual figures right about # of dirhams to N. Europe in 10thC, then Jankowiak's calculation implies c.1,000,000 slaves 'exported'
@JAJafri Not so far as I know, and many were castrated, so...... (extract from paper cited previously)pic.twitter.com/M0G7n1VXAC
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@caitlinrgreen Is there an estimate of the size of the 9th Cent. import of N African slaves into I#reland,and is there a genetic trace here? -
@JAJafri So far as I know, it's not been well-studied. A *few* examples of African Y and mtDNA in British Isles that might result from it,> -
@JAJafri >but speculative: see http://www.nature.com/ejhg/journal/v15/n3/full/5201771a.html … & http://www.nature.com/ejhg/journal/v15/n3/full/5201771a.html … NB, modern DNA has v.loose connection to # of past immigrants
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