CRUSADER'S CROSS PENDANT NECKLACE, 11TH-13TH CENTURY 1096-1291. Circular, pierced with a cross potent, i.e. with "crutches" at the beam ends. Godfrey of Bouillon was a Frankish Knight of the First Crusade, known as Baron of the Holy Sepulcher and the Crusader King, ruler of the Kingdom of Jerusalem following its victorious siege in the First Crusade.