 Meanwhile, a tentative alliance was formed with Ibn Mula'ib despite the wounding of Sultan and Murshid in a battle with him in 1104.Together, the Banu Munqidh and Ibn Mula'ib attacked a small Crusader-held fort in their region in 1106, but Ibn Mula'ib betrayed the Banu Munqidh by deserting and stealing their horses.Before the family could retaliate, Ibn Mula'ib was killed by an Ismai'il assassin.