There is a new Big-Y700 sample from Bosnia-Herzogovina, Maric IN44063 which is positive for Y5647 but negative for the two known subclades YP6343 and FT149101.
His STR results match with 2 Russian Tatar samples.
STR37, 243779 Sungatullin, д. Татарский Агайбаш,Лаишев. р-н, Tatarstan
And STR37 BP20239 unknown, Eldash Emmetev (~1666 - 1745), Bol. Yangasala
furthermore a Polish sample STR 67, 666388 Travis Kovaleinen, Hilary Kowalczyk ca. 1870, Zabiele (Kolono - Podlachia)
and one of unknown origin STR 12 356409.
If anyone has contact with any of these individuals, I would appreciate being contacted.
Best Florian