- Simon de Brie
Due to anti-French sentiment in Rome, he was unable to return to the Vatican. His papacy became known for political machinations. He supported the Angevin dynasty in Sicily and southern Italy. Supported Charles of Anjou’s attempt to restore the Latin Empire of Constantinople. Excommunicated Byzantine Emperor Michael VIII, which sacrificed the 1274 union of East and West made at Lyons. After the revolt known as the Sicilian Vespers, he turned his power against Peter III of Aragón who had been chosen king of Sicily.
- in Montpensier, France as Simon de Brie