al-ʿAbbās b. al-Maʾmūn
(935 words)

Al-ʿAbbās b. al-Maʾmūn (d. 223/838) was the son of the caliph al-Maʾmūn (r. 198–218/813–33) and his concubine, Sundus. It is unclear whether he was ever formally designated heir apparent, but he was positioned to make a claim on the throne when his father died in 218/833. He first appears in al-Ṭabarī, who reports al-Maʾmūn’s reaction to the news of the death of the caliph al-Amīn (r. 193–8/809–13) (3:1065). In 213/828 al-Maʾmūn made al-ʿAbbās governor of the provinces adjoining the Byzantine Empi…

Cite this page
Turner, John P., “al-ʿAbbās b. al-Maʾmūn”, in: Encyclopaedia of Islam, THREE, Edited by: Kate Fleet, Gudrun Krämer, Denis Matringe, John Nawas, Everett Rowson. Consulted online on 19 November 2018 <>
First published online: 2013
First print edition: 9789004252691, 2013, 2013-4

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