Black Friday Sale: Save on Family Finder, Y-DNA, mtDNA , & Bundles Through Nov 30th


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About us

The Barclay DNA study is a project of Clan Barclay International and exists to support genealogical research and the linking of Barclay [Barkley, Berclay, Bercley, Berklay] families worldwide. More information on this organization and its genealogical database of approximately 200 family lines at