Ferdinand II of Aragon

Ferdinand II (Aragonese: Ferrando II; Catalan: Ferran II; Basque: Errando II; Spanish: Fernando II) was King of Aragon from 1479 and, by marriage, King of Castile (as Ferdinand V) from 1474, reigning over a dynastically unified Spain jointly with his wife Isabella I and going down in history as the first King of Spain.