Age: About 2,500 years ago

Origin: Eurasia


Parent Branch: I-FGC21611

Descendant branch(s): I-Y106113 I-Y90181

FTDNA Tree Link: Link

YFull Info

Name: I-BY20000

Age: 2500 ybp ± 1350 CI 95%

Expansion: 550 ybp ± 725 CI 95%

Parent: I-BY2000

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


I-BY20000 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-BY20000 Technical Details


This branch is defined by the Y-Haplotree at FamilyTreeDNA as I-BY20000. There, it is the child of the I-FGC21611 branch.

Defining Variant(s)

BY20000, BY19993, BY19994, BY19995, BY19996, BY19997, BY19998, BY19999, BY20001, BY20002, BY20003, BY20004, BY20005, BY20006, BY20007, BY89253, F13114


This branch is defined by YFull as I-BY20000. There, it is the child of the I-BY2000 branch.

Defining Variant(s)

BY20000, Y89862, BY19998, BY20005, BY19999, BY19994, BY20003, BY20004, BY20002, BY19993, BY19996, Y125889, BY20001, F13114, BY19997, BY20007, BY19995, BY20006

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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