Вот что указано по странам предков в проэкте ФТДНА.
I1a1a - defined by G9053A (PhyloTree)
Unknown Origin, England, England, Unknown Origin, Poland, Poland, Unknown Origin, Unknown Origin, Ukraine, Russian Federation, Latvia, Finland, Sweden, Norway, Sweden, Norway, United States, Germany, Germany, Germany, Hungary, Czech Republic, Finland, Finland, Austria, Finland, Germany, Ukraine, Finland, Finland, Finland, Finland, Finland, Finland, Bosnia and Herzegovina, Finland, Finland, Finland, Finland, United States, Finland, Russian Federation, Unknown Origin, Poland, Finland, Finland, Finland, France, Unknown Origin, Unknown Origin, Germany, Sweden, Sweden.