Also known as Abu Hammu Musa II he first came to power in Tlemcen and surrounding area with the expulsion of the Merinids in 1359. The following year Abu Hammu was succeeded in power by Abu Zayyan Muhammad II ibn Uthman. Before 1360 was over though Abu Hammu returned to power. He was again succeeded in power by Abu Zayyan in 1370. Abu Hammu returned to power a third time in 1372. He lost power to Abu Zayyan again in 1383, but returned to power a fourth time in 1384. In 1387 Abu Zayyan again returned to power, but died that year, so Abu Hammu returned to power, and retained it until his death in 1389.