Elisabeth of Sicily, Duchess of Bavaria Duchess consort of Bavaria (1310–1349) Parents Eleanor of Anjou, Queen of Sicily Frederick III of Sicily Children John II, Duke of Bavaria Agnese di Baviera-Landshut Frederick Stephen III, Duke of Bavaria Siblings William II of Athens Roland of Sicily Sanciolo d'Aragona Margaret of Sicily Peter II of Sicily Alfonso Fadrique d'Aragona, Count of Malta Constance of Sicily, Queen of Cyprus John, marquess of Randazzo Manfred of Athens Isabel de Aragón Partners Stephen II, Duke of Bavaria