Yusef ibn Tashfin also, Tashafin, or Teshufin; or Yusuf; (Berber: Yusef n Tacfin, ; reigned c. 1061 - 1106) was a king of the Almoravid empire, he founded the city of Marrakech

Marrakech

Marrakech or Marrakesh , known as the "Ochre city", is the most important former imperial city in Morocco's history...

 and led the Muslim forces in the Battle of Zallaqa.
Yusef ibn Tashfin emerged from a line of Berber military leaders. Abu Bakr ibn Umar

Abu-Bakr Ibn-Umar

Abu Bakr ibn Umar ibn Ibrahim ibn Turgut, sometimes suffixed al-Sanhaji or al-Lamtuni was a chieftan of the Lamtuna Berbers of the western Sahara, and commander of the Almoravids from 1056 until his death....

, one of the original disciples of ibn Yasin, a natural leader of Sanajha

Sanhaja

The Sanhaja or Senhaja were once one of the largest Berber tribal confederations of the Maghreb, along with the Zanata and Masmuda...

 extraction who served as a spiritual liaison for followers of the Maliki

Maliki

The ' madhhab is one of the schools of Fiqh or religious law within Sunni Islam. It is the second-largest of the four schools, followed by approximately 25% of Muslims, mostly in North Africa, West Africa, the United Arab Emirates, Kuwait, and in some parts of Saudi Arabia...

 school of thought, was appointed general after the death of his brother Yahya ibn Ibrahim.