Uncle of Abul-Abbas - Al - Saffah, first of the Caliphs Abasidas. He/She died in the 755. He/She won a battle to the Caliph Meruan II and floored with this victory the dynasty of the Ommiadas. But it was dishonored by the atrocities he/she committed with the vanquished. After the death of Al - Saffah, who had made Governor of Syria, said claims to the Crown; but, defeated in several battles, withdrew to Iraq, where he/she was killed.