ʿAbd Allāh b. Mūsā b. Nuṣayr followed his father Mūsā in becoming the governor of Ifrīqiya, and conquered the Maghrib and al-Andalus. Little is known of his life. Two facts are clear: when his father established his power in various parts of North Africa, he dispatched ʿAbd Allāh to the neighbouring islands to extend his conquests, and the son achieved considerable victories during this mission (Ibn al-Athīr, 4/539–540; ʿInān, 1/25–26). In addition, after Ṭāriq b. Ziyād's conquests, when Mūsā b. Nuṣa…