Authors such as Arthur Koestler in his book 13th Tribe have mentioned that real ancestors of present day Ashkenazi Jews are the Khazar tribe who inhabited a land near the Caspian Sea called Khazaria and are of Eastern European origin and not Semitic at all.
Authors such as Arthur Koestler in his book 13th Tribe have carried out extensive research on the originis of Ashkenazi Jews. The Khazar tribe are a people who inhabited a land near the Caspian Sea called Khazaria and thus the Khazars are of Eastern European origin and not Semitic at all.