 Based on his position in an Assyrian lists, Ummanigash was likely the oldest son of Urtak.The Assyrian Ashurbanipal, at the Battle of Ulai, killed Teumman.After the death of Teumman, the Assyrian king placed Ummanigash as "king" over the Elamite city of Madaktu, and his brother Tammaritu as "king" of Hidalu.