 He is also referred to as Humban-nikash II and Khumban-nikash II.Urtak, the father of Ummanigash and Tammaritu, had ruled Elam from 675 to 664, at which point he died and was succeeded by Teumman.When Teumman rose to power, Urtak's sons Ummanigash, Ummanappa, and Tammaritu escaped to Assyria in fear of Teumman, and lived under Assyrian protection at Nineveh.