Frederick III of Sicily

Frederick II
Frederick II
King of Sicily
Reign	11 December 1295 – 25 June 1337
Coronation	25 March 1296 (Palermo)
Predecessor	James I
Successor	Peter II
Born	13 December 1272; Barcelona, Crown of Aragon
Died	25 June 1337 (aged 64); Paternò, Kingdom of Sicily
Burial	Catania Cathedral
Spouse	Eleanor of Anjou
Issue; among others...	Constance, Queen of Cyprus; Peter II, King of Sicily; Manfred, Duke of Athens; Elisabeth, Duchess of Bavaria; William II, Duke of Athens; John, Duke of Randazzo;
House	House of Barcelona
Father	Peter III of Aragon
Mother	Constance of Sicily

Frederick II (also Frederick III, Latin: Federicus, Italian: Federico, Sicilian: Fidiricu); 13 December 1272 – 25 June 1337) was the regent of the Kingdom of Sicily from 1291 until 1295 and subsequently King of Sicily from 1295 until his death. He was the third son of Peter III of Aragon and served in the War of the Sicilian Vespers on behalf of his father and brothers, Alfonso ΙΙΙ and James ΙΙ. He was confirmed as king by the Peace of Caltabellotta in 1302. His reign saw important constitutional reforms: the Constitutiones regales, Capitula alia, and Ordinationes generales.