Musta'li imams

Abū al-Qāsim Aḥmad ibn al-Mustanṣir (; 15/16 September 1074 – 11/12 December 1101), better known by his regnal name al-Mustaʿlī biʾllāh (, ), was the ninth Fatimid caliph and the 19th imam of Musta'li Ismailism.

Fatimid caliph and imam (1096–1130)

Last known imam of the Tayyibi Isma'ilis (born 1130)

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