Age: About 4,300 years ago

Origin: Eurasia


Parent Branch: I-FGC20479

Descendant branch(s): I-Y67553

FTDNA Tree Link: Link

YFull Info

Name: I-BY31905

Age: 4300 ybp ± 1800 CI 95%

Expansion: 1700 ybp ± 1550 CI 95%

Parent: I-BY3190

Note: This information does not imply an endorcement of YFull or their methods. It is provided at the request of readers.


I-BY31905 is a branch on the paternal tree of human kind. It and branches help trace human history from our origin in Africa.

FamilyTreeDNA Y-Haplotree

Pod not found

I-BY31905 Technical Details


This branch is defined by the Y-Haplotree at FamilyTreeDNA as I-BY31905. There, it is the child of the I-FGC20479 branch.

Defining Variant(s)

BY31905, A16633, A16634, A16657, A16659, BY196762, BY31906, BY31907, BY31908, BY31909, BY31910, BY31913, BY31914, BY31915, BY31916, BY31917, BY31918, BY31919, BY31920, BY31921, BY31922, BY31923, BY31924, BY31925, BY31926, Y73318


This branch is defined by YFull as I-BY31905. There, it is the child of the I-BY3190 branch.

Defining Variant(s)

Y60213, Y61368, A16659, A16634, Y73318, Y72317, A16633, BY31923, BY31910, BY31909, BY31917, Y77380, Y80812, Y75016, A16657, BY31913, BY31921, BY31925, Y60584, BY31918, BY31919, Y95569

Sources & Resources

Related Resources

Coming soon…

Academic Sources

Peer reviewed sources have not been added for this branch yet. If you know of one I have missed, please link to it in the comments.

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