al-ʿAbbās b. al-Maʾmūn
(286 words)

, pretender to the throne under al-Muʿtaṣim. His father, the caliph al-Maʾmūn, appointed him in 213/828-9 a governor of al-Ḏj̲azīra and the neighbouring frontier district, and he then showed great bravery in fighting the Byzantines. On the death of al-Maʾmūn in 218/833, his brother, Abū Isḥāḳ Muḥammad al-Muʿtaṣim bi-’llāh, by choice of the deceased, ascended the throne of the ʿAbbāsids. The army which al-Maʾmūn had collected against the Greeks, however, proclaimed al-ʿAbbās caliph, although he h…

Cite this page
Zetterstéen, K.V., “al-ʿAbbās b. al-Maʾmūn”, in: Encyclopaedia of Islam, Second Edition, Edited by: P. Bearman, Th. Bianquis, C.E. Bosworth, E. van Donzel, W.P. Heinrichs. Consulted online on 18 November 2018 <http://dx.doi.org/10.1163/1573-3912_islam_SIM_0023>
First published online: 2012
First print edition: ISBN: 9789004161214, 1960-2007



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