عبد المؤمن بن علي
Abd al-Mu'min then came forward as the lieutenant of the Mahdi Ibn Tumart. Between 1130 and his death in 1163, Abd al-Mu'min not only rooted out the Murabits (Almoravids), but extended his power over all northern Africa as far as Egypt, becoming amir of Marrakesh in 1149.