Al-Qasim al-Ma'mun

Al-Qasim al-Ma'mun ibn Hammud (Arabic: القاسم المأمون بن حمّود, died 1036) was an Arab Caliph of Córdoba in Muslim Spain for two periods, 1018 to 1021, and again for a short time in 1023 until he was driven from the city.^[1] He hailed from the Banu Khazraj tribe. He was the brother of the deposed Ali ibn Hammud al-Nasir.^[2] His reign was described in Ibn al-Khatib's A'mal al-a'lam.

Al-Qasim al-Ma'mun القاسم المأمون
7th Caliph of Córdoba (first period)
Reign	1018 – 1021
Predecessor	Ali ibn Hammud
Successor	Yahya ibn Ali
(second period)
Reign	1023
Predecessor	Yahia ibn Ali
Successor	Abd ar-Rahman V
Brother	Ali ibn Hammud
Names Al-Qasim al-Ma'mun ibn Hammud (Arabic: القاسم المأمون بن حمود)
Dynasty	Hammudid
Religion	Islam

This was during a short period when the caliphate was held by the Hammudid dynasty.

References

1. Dozy, Reinhart Pieter Anne (1861). Histoire des musulmans d'Espagne: jusqu'à la conquête de l'Andalousie par les Almoravides (711 - 1110) (in French). Brill. pp. 332–333.
2. Guichard, Pierre (2000). L'Espagne et la Sicile musulmanes aux XIe et XIIe siècles (in French). Presses Universitaires Lyon. p. 229. ISBN 978-2-7297-0658-6.

Preceded by Ali ibn Hammud	Caliph of Córdoba 1018–1021	Succeeded by Yahia ibn Ali
Preceded by Yahia ibn Ali	Caliph of Córdoba 1023	Succeeded by Abd ar-Rahman V