Abū Saʿīd al-Jannābī, al-Ḥasan b. Bahrām (d. 300 or 301/913 or 914), was a Qarmaṭī leader and founder of Qarmaṭī rule in Bahrain. His name has also been recorded as al-Ḥusayn (al-Maqrīzī, al-Muqaffā, 261). Despite his great renown, knowledge of the early stages of his life is limited, and hence certain aspects of his biography are shrouded in mystery—such that there is no account of his date of birth and the part of his life spent in Jannāba (Ganāwih).

In al-Mukhtār fī kashf al-asrār (p. 12), al-Jawbarī refers to his early activities in 252/866, whereas de Goeje (p. 36) consid…