For seven years the Assyrian domination lasted.

Then Tiglath-Ninip was driven back to Assyria, where he was imprisoned and murdered by his son, and the old line of Kassite princes was restored in the person of Rimmon-sum-uzur.
But it continued only four reigns longer.

A new dynasty from the town of Isin seized the throne, and ruled for 132 years and six months.
It was while this dynasty was reigning that a fresh line of energetic monarchs mounted the Assyrian throne.

Rimmon-nirari I., the father of Shalmaneser I.( B.C.

1330-1300) had already extended the frontiers of Assyria to the Khabur in the west and the Kurdish mountains in the north, and his son settled an Assyrian colony at the head-waters of the Tigris, which served to garrison the country.