Sunday, July 1, 2018

A new branch for Western-Isles: Updated I-L233 tree

Click here to download our latest tree for I-L233

Western-Isles is one of the only STR clusters in the I-L233 haplogroup. Western-Isles is a large group and it's only known from Britain and Ireland, mostly Britain. Thanks to an earlier Big Y for one Western-Isles man, we knew that Western-Isles was part of I-A7111. (and I-A7111 contains other British men and one Polish-American man).

Now a second man in Western-Isles has completed a Big Y. The two men share 7 SNPs and probably all Western-Isles men share most or all of these SNPs. This branch can be called I-Y138217. Because the two men share so many SNPs, we can be sure that the Western-Isles branch isn't closely related to the other branches of I-A7111.

This update also shows a second Big Y for an Irish family, the two men share L485 and six additional SNPs. Their surname indicates that they originated in Great Britain or continental Europe, but probably this family has been in Ireland for 600 years or more. The recent Big Y result has 4 private variants that weren't found in the first Big Y.

Click here to find our previous tree for I-L233

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