Al-Musta'sim (Cairo)
Al-Musta'sim (Arabic: المستعصم بالله‎), also known as al-Mu'tasim (Arabic: المعتصم باالله‎), served twice (first in 1377, then again in 1386–1389) as Abbasid caliph of Cairo under ...
Al-Musta'sim (Cairo) - Wikipedia