Histories

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FTDNA block tree for I-BY21376 (Aug 2022)

Annotated with timescales from the FTDNA Discover tool, showing "birth" year ranges for each sub branch of the yDNA haplogroup tree of the I- haplogroup Fairbairn testers (and their stray Elliott outlier matches).
Also includes the earliest known ancestor for each subgroup, where this is NOT necessarily the common ancestor for all in the group, but is the family with the earliest documentation.
These names and dates being from my research and not necessarily the most distant paternal ancestor any of the testers may have entered on the FTDNA test.
See also yFull tree and DNASurnames Haplogroup I-Y7277, both of which are lagging behind the public FamilyTreeDNA yDNA haplogroup tree

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