Abu-l-Hasan Ali ibn Ruburtayr or Reverter was the younger son of Reverter I viscount of Barcelona, and a Muslim Catalan mercenary commander. He left the Christian faith and territories, and converted to Islam. His Christian name is unknown.   When his father died in 1142 or 1144, he became leader of the Christian mercenary regiment of Tashfin ibn Ali, the[Read More…]