 His sister, Muballiṭat-Šērūa, was married to the Kassite king Burna-Buriaš II, and his nephews, Kara-ḫardaš and Kurigalzu would succeed to the Babylonian throne, separated by a short-lived revolt which was put down by Aššur-uballiṭ and the Assyrian army.Around this time, there is evidence of the exchange of gifts of textiles and votive ornaments between the Kassite and Assyrian ruling classes.Despite their earlier close ties, he fought against Kurigalzu, who grew to become one of the mightiest and most belligerent kings of the Kassite dynasty, in the battle of Sugagu to establish the boundary between both states.