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This project is a meeting place for users who share the R-Y21409 Y-DNA haplogroup, which means they are related along their paternal lines. Users in this group may want to share their family trees with each other to find overlaps and merge duplicate profiles in order to join or expand the World Family Tree and discover new relatives.

Y21409 began with someone likely born after 1062 AD. Y21409 is the primary branch under FGC3946. FGC3946 and subtrees are looked at in more depth at the Cecil Burghley and Related Families DNA Test pages: https://sites.google.com/view/lord-burghley-families/home From that site: "Over time, his various male descendants started family branches of their own. When surnames were finally adopted in England, Wales, and Norway each of these branches seem to have adopted their own surnames. The surnames of these various branches currently include: Cecil, Cissell, Gilbert, Harris, Howells, Vinson, Word, Webb, Schipper, Nedrebo, Twete, Hyatt and Parry." Family Tree with SNPs for FGC3946 (from Link above) and below shown at the right.