 Meanwhile, Ashurbanipal faced an attempt by his brother, Shamash-shum-ukin, king of Babylon, to take over the Assyrian Empire.Ummanigash joined this rebellion, sending soldiers to the aid of Shamash-shum-ukin in 652.The Elamite forces were defeated, and shortly thereafter an individual by the name of Tammaritu (not the brother of Teumman) came to power in Elam, likely as a result of the Elamite defeat.