Person
Ferdinand I of Aragon
King of Aragon, Valencia, Majorca and Sicily and Count of Barcelona
Ferdinand I (Spanish: Fernando I; 27 November 1380 – 2 April 1416 in Igualada, Catalonia) called of Antequera and also the Just or the Honest) is king of Aragon, Valencia, Majorca, Sardinia and (nominal) Corsica and king of Sicily, duke (nominal) of Athens and Neopatria, and count of Barcelona, Roussillon and Cerdanya (1412–1416).
He is also regent of Castile (1406–1416).