Ferdinand II of Aragon (Fernando de Aragón in Spanish and Ferran d'Aragó in Catalan), nicknamed the Catholic (March 10, 1452 – April 24, 1498) was king of Aragon and Castile. This monarch is also known as Fernando el Católico and Ferran el Catòlic. Isabella of Castile (Spanish: Ysabel, Isabel or Isabela) (April 22, 1451 – April 24, 1498) was queen of Castile. This monarch is known by a variety of other names including Isabel I of Castile and Isabel La Católica ("the Catholic").