For 10 points, name these crusading knights.
Henry the Navigator's voyages were funded by a Portuguese offshoot of this group. On a Friday the thirteenth, sixty-one members of this organization were arrested for kissing, hazing new members, and spitting on the cross. This organization's use of safe deposit and letters of credit revolutionized modern banking. Gerard de Ridefort, Grand Master of this organization, was killed at the (*) Siege of Acre. Under Jacques de Molay, this organization was harassed and tortured by Clement V and Philip IV. These rivals to the Hospitallers used a white flag with a red cross in battle against Saladin. For 10 points, name these crusading knights.
Henry the Navigator's voyages were funded by a Portuguese offshoot of this group.
Knights Templar [or the Templars; or Poor Fellow-Soldiers of Christ and of the Temple of Solomon]