Not very.
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The makeup of the J haplo is interesting. It seems to be mostly NW Euros, Balkan people and middle easterners
I don't know or really care.
mtDNA is usually useless for genealogical purposes.
R30 which is found in Punjab, Sri Lanka, Nepal and Japan.
Impossible. It's obviously Slavic.
https://i.imgur.com/Pxr5qN2.jpg