- In 750 B.C. Umbadara was king of Elam; Khumbanigas was his successor in 742 B.C. In 720 B.C. the latter prince met the Assyrians under Sargon at Dur-ili in Yamutbal, and though Sargon claims a victory the result was that Babylonia recovered its independence under Merodach-baladan and the Assyrian forces were driven north.
- In 716 B.C. Khumbanigas died and was followed by his nephew, Sutruk-Nakhkhunte.