Frederick III of Sicily King of Sicily from 1295 to 1337 (1272–1337) Parents Constance of Sicily Peter III of Aragon Children Roland of Sicily Margaret of Sicily William II of Athens Isabel de Aragón John, marquess of Randazzo Peter II of Sicily Sanciolo d'Aragona Manfred of Athens Constance of Sicily, Queen of Cyprus Alfonso Fadrique d'Aragona, Count of Malta Elisabeth of Sicily, Duchess of Bavaria Siblings Pietro d'Aragona Jaume Pere d'Aragó i Nicolau James II of Aragon Elizabeth of Aragon Yolande of Aragon, Duchess of Calabria Alfonso III of Aragon Teresa de Aragón Sanç d'Aragó Partners Sibilla Sormella Eleanor of Anjou, Queen of Sicily
