Ferdinand, Duke of Viseu

Infante Ferdinand
Duke of Viseu and Beja
Depiction of Infante Ferdinand in a 1678 portrait in the Convent of Beja
Born17 November 1433
Almeirim
Died18 September 1470 (aged 36)
Setúbal
SpouseBeatrice of Portugal
Issue
HouseAviz
FatherEdward, King of Portugal
MotherEleanor of Aragon

Infante Ferdinand, Duke of Viseu and Beja (or Fernando, Portuguese pronunciation: [fɨɾˈnɐ̃du], 17 November 1433 – 18 September 1470) was the third son of Edward, King of Portugal and his wife Eleanor of Aragon.