John I, also called John of Aviz, was King of Portugal from 1385 until his death in 1433. He is recognized chiefly for his role in Portugal's victory in a succession war with Castile, preserving his country's independence and establishing the Aviz... Wikipedia
Born: April 11, 1357, Lisbon, Portugal
Died: August 14, 1433 (age 76 years), Lisbon, Portugal
Children: Edward I of Portugal, Prince Henry the Navigator, Peter, Duke of Coimbra, and more
Parents: Peter I of Portugal and Teresa Lourenço
Spouse: Philippa of Lancaster (m. 1387–1415)
Grandchildren: Afonso V of Portugal, Charles the Bold, Joan of Portugal, and more
Deposed date: 1433