Khazars

A Turkic Medieval kingdom by the Caspian Sea converted to Judaism about 600 AD- The Khazarite dominion. Some claim that most of todays Ashkenazic Jews are really descended from these peoples-and are not related to the Hebrews from antiquity. The genetic evidence is mixed, and the issue is loaded with controversy- if true, what claim can Jews make toward the land of Israel-Palestine?......