Abū al-Sarāyā, Sarī b. Manṣūr al-Shaybānī (d. 10 Rabīʿ I 200/18 October 815), known as Abū al-Sarāyā, was the military commander of the rebellion led by Ibn Ṭabāṭabā against al-Maʾmūn, the ʿAbbāsid caliph.
Although there are several near-contemporary sources available, it is difficult to give a reliable account of his career or the reasons why he participated in the rebellion in Kūfa. One of the most important of the sources available is Abū al-Faraj al-Iṣfahānī's Maqātil al-Ṭālibiyyīn, in which he quotes Naṣr b. Muzāḥim (d. 212/827), who witnessed the rebellion and was…