Sulayman 3 is called Salim in Theophanes. Son of Ali 2, brother of Abdullah 5: Theoph. AM 6241 (Σαλίμ, υἱὸς Ἀλίμ) and (Ἀβδελᾶν, τὸν υἱὸν τοῦ Ἀλὶμ καὶ ἀδελφὸν τοῦ Σαλίμ, Theoph. AM 6246 (Ἀβδελᾶν, τὸν υἱὸν Ἀλίμ, ἀδελφὸν δὲ Σαλίμ), Chron. 1234, ¤180 (p. 331). He was the uncle of the first two caliphs of the Abbasid dynasty, as-Saffah 1 and al-Mansour 1: Chron. 1234, ¤180 (p. 331).

Sulayman 3 was one of the fugitives from Marwan II (Marwan 2) and one of the leaders of the rebellion against Marwan 2 and the rule of the Umayyads who sent Abu Muslim 1 to Khorasan; he commanded the forces which finally defeated and killed Marwan 2 in Egypt; under the first caliph of the Abbasids, as-Saffah 1, he was made governor of Egypt: Theoph. AM 6241 (τὸν δὲ αὐτὸν Σαλὶμ τῆς Αἰγύπτου ἄρχειν). Sent by Abu -'l-`Abbas (as-Saffah 1) to help Abdullah 5 pursue Marwan 2, he followed him into Egypt and had him killed: Chron. 1234, ¤180 (pp. 331-332). In 756 he kept the patriarch of Antioch Theodoros 10 in exile in the land of Moab; he also imposed severe restrictions on Christians, forbidding new church building or the public display of the Cross and banning the preaching of the Christian faith to Arabs; in this year he led a large military expedition into Cappadocia but retreated when the emperor Constantine V (Konstantinos 7) moved against him, taking back only some Armenian deserters: Theoph. AM 6248. Apparently he was now commander of Syria, perhaps having succeeded there after the rebellion and death of Abdullah 5. In 758 he executed the leaders of a magian group in Beroea and Chalcis who had caused their followers to maim and kill themselves: Theoph. AM 6250.

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