John, Prince of Asturias
Member of the House of Trastámara
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John, Prince of Asturias and Girona, was the only son of King Ferdinand II of Aragon and Queen Isabella I of Castile, and heir apparent to both their thrones for nearly his entire life. Wikipedia
Born: June 30, 1478, Seville, Spain
Died: October 4, 1497 (age 19 years), Salamanca, Spain
Spouse: Margaret of Austria, Duchess of Savoy (m. 1497–1497)
Parents: Isabella I of Castile and Ferdinand II of Aragon
Place of burial: Royal Monastery of Santo Tomás, Ávila, Spain