Every province except this one has a majority population whose ancestors came from the British Isles
In this case, the genes of later Anglo-Saxon England could have 
been ... By AD 400, the Roman provinces in Britain (all the territory to the south of 
.... when mercenaries came to protect the resident population; a migration phase
... [DOC] [TLE] Myths of British ancestry | Prospect Magazine [PAR] Oct 21, 2006 ... Everyone has heard of Celts, Anglo-Saxons and Vikings.