 The leader of the clan, Dahhak ibn Jandal allied with the Crusaders of the Kingdom of Jerusalem and engaged in a feud with the Assassins who ruled the Banias fortress in the western foothills of Mount Hermon just south of Wadi al-Taym.Dahhak had killed Assassin leader Bahram al-Da'i in retaliation for the murder of his brother Baraq ibn Jandal.In 1133, he entered into conflict with Shams al-Mulk Isma'il, the Burid ruler of Damascus, who subsequently expelled Dahhak from his holdout in the fortified Tyron Cave east of Sidon.