For 10 points, name this Christian Crusading order with headquarters at the Al-Aqsa Mosque, whose members often wore clothing emblazoned with a red cross.
Detachments of this organization participated in the Siege of Al-Dāmūs under the leadership of Pedro de Montaigu, who was later appointed as its Grand Master prior to the capture of Damietta. This organization was formally endorsed at the Council of Troyes due to the support of Saint Bernard of Clairvaux. Its assets were absorbed by the Knights Hospitaller after its demise, and after being charged with heresy, members of this organization were burned to death at the order of Philip IV. For 10 points, name this Christian Crusading order with headquarters at the Al-Aqsa Mosque, whose members often wore clothing emblazoned with a red cross.
Detachments of this organization participated in the Siege of Al-Dāmūs under the leadership of Pedro de Montaigu, who was later appointed as its Grand Master prior to the capture of Damietta.
Knights Templar [accept Templars or Order of the Temple or Ordre du Temple or Poor Fellow-Soldiers of Christ and the Temple of Solomon]