Abu Bakr ibn Umar ibn Ibrahim ibn Turgut, sometimes suffixed al-Sanhaji or al-Lamtuni was a chieftain of the Lamtuna Berber Tribe and Amir of the Almoravids from 1056 until his death. He is credited t

Kitāb al-bayān al-mughrib fī ākhbār mulūk al-andalus wa'l-maghrib by Ibn 'Idhari of Marrakesh in the Maghreb ; an important medieval Arabic history of the Maghreb and Iberia, written at Marrakesh c. 1