About Al-Musta'sim
Al-Musta'sim was a politician.
Abū Yahya Zakariya al-Musta'sim bi'llah (; died 1389) was the eighth Abbasid caliph of Cairo under the tutelage of the Mamluk Sultanate. He served twice: first in 1377, then again in 1386–1389.
Al-Musta'sim was the son of al-Wathiq I (the fourth Caliph of Cairo). His given name was Zakariya and his Kunya was Abu Yahya. He was first installed in the office in 1377 for a short period of time, after al-Mutawakkil I was deposed. Al-Musta'sim was also deposed by Mamluk sultan and al-Mutawakkil I was again installed as caliph of Cairo by Mamluks.
After few years, in 1386 al-Musta'sim was again installed as caliph of Cairo for the Mamluk Sultanate. He remained in the office from 1386 to 1389 and he was again succeeded by al-Mutawakkil I in 1389. The genealogy of the Abbasids including their rival Zaydi imams Caliphs of the Abbasid Caliphate Caliphs of Cairo Zaydi imams
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Important facts
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Frequently asked questions
Who was Al-Musta'sim?
Abbasid Caliph of Cairo, Egypt
When was Al-Musta'sim born?
Al-Musta'sim was born in Cairo.
When did Al-Musta'sim die?
Al-Musta'sim died in 1389 in Cairo.
What was Al-Musta'sim's occupation?
Al-Musta'sim was a politician.
Sources & further reading
· DBpedia: Al-Musta'sim (Cairo)
Cite this page
APA: Biography.guide. (2026). Al-Musta'sim. https://biography.guide/al-musta-sim/
MLA: "Al-Musta'sim." Biography.guide, https://biography.guide/al-musta-sim/.
Chicago: "Al-Musta'sim." Biography.guide. https://biography.guide/al-musta-sim/.
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