 This brought an end to their rule of the Shayzar principality, which was soon after seized by Nur ad-Din to prevent its capture by the Crusaders.Nur ad-Din did not seek to find any surviving members of the Banu Munqidh to resume their lordship of Shayzar, whose fortifications he had promptly restored.Instead, he handed the town over to a certain Sabiq al-Din Uthman ibn al-Daya.