King Frederick III of Sicily

   Another name for Frederick was Federigo III of Sicily.

  Noted events in his life were:

• Alt. Birth, 1342. ⁷⁶⁹

• Title: King of Sicily, 1355-1377.

• Title: Duke of Athens, 1355-1377.

• Title: Duke of Neopatris.

Frederick married Constanza of Aragon, daughter of King Pedro IV of Aragon and Marie of Navarre, on 11 Apr 1361 in Catania, Sicilia, Italy ⁷¹³.^,769 (Constanza of Aragon was born in 1340 in Pobleta de Bellvehí, Cataluña, Spain ⁷¹³ and died in Jul 1363 in Catania, Sicilia, Italy ^713,769.)

Frederick next married Antonia del Balzo, daughter of Francesco del Balzo, Duke of Andria and Unknown, on 17 Jan 1372.⁷¹³ (Antonia del Balzo died on 23 Jan 1374 ⁷¹³.)

Frederick also had a relationship with.