Ugarit#Kings of Ugarit

' Ammistamru III. (according to another count also: ' Ammistamru II ) was a king of Ugarit, who reigned about 1265-1240 BC.

' Ammistamru III. was probably still a child when he ascended the throne. His father was Niqmepa VI. and his mother Agate Milku, who led the government business for the young ruler, until he became an adult.

Its relatively long reign was foreign policy relatively quiet. Domestically, however, he had to contend with some difficulty.

Then, two brothers seem to have made ​​against him and his mother. ' Ammistamru III. asked the Hittite king Tudhalija IV and the King of Carchemish for help. They should serve as arbitrators. ' Ammistamru III. gained in this dispute, and the brothers had to emigrate to Alašija, probably in Cyprus.

The ruler was with Piddu (also Piddaya ) married the daughter of the Amorites King Bentešina. ' Ammistamru III. repudiated his wife and sent them back to Amurru. Later demanded ' Ammistamru III. but the return of the princess. Šaušgamuwa, now ruler of Amurru, refused to surrender to the lady, whereupon Tudhalija IV intervened in the matter. The output of the affair is uncertain.

As the successor to certain ' Ammistamru III. probably as far back as his son Ibiranu VI ..