Abraham's grandfather was Nahor. He had a more remote ancestor named Eber, six generations back.
The Scythians and Persians spoke Iranian languages of the Indo-European language family, which were related to the languages brought into India by the so-called Aryans. The Turkic languages are completely unrelated (they are distantly related to Mongolian).
Racially, Turks are Aryan, not Mongolian.