This is Abrhams Great Grandfather
https://en.wikipedia.org/wiki/SerugGenesis 11:20-23
His grandfather Peleg left Babel after the Tower was built and spilt the nations
His father Reu was born in the year of the building of the tower of Babel in Babylon
He lived in Ur
His son Nahor lived in UR
HIs son Terah lived in Ur
and his son Abram lived in UR and married a woman from UR.
So pray tell where did the niggers come in to make them black ?