Yūsuf ibn Manṣūr
Yūsuf ibn Manṣūr was an emir of Biskra and the Zab of the Banu Muzni dynasty. He inherited the emirate from his father Manṣūr ibn al-Faḍl, and was succeeded by his son Aḥmad ibn Yūsuf, under whom the Hafsids overthrew the Muzni emirate in 1402.