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John I of Portugal

Type Figure Region Portugal Time 1357–1433 Also known as John I of Portugal、João I de Portugal、João de Avis、Master of Aviz

John I (1357–1433) was the founding monarch of Portugal's Aviz dynasty, renowned as Master of Aviz before his 1385 coronation.

Timeline

  1. 1371–1380Lisbon · LisbonIn the 1370s John grew up in the court of Ferdinand I as a son of Peter I; though not the legitimate heir, he gradually took part in military activities and built a reputation amid noble factional struggles, laying the foundation for his later appointment as Master of Aviz.
  2. 1380–1383Aviz · AlentejoIn the early 1380s John grew increasingly close to the Order of Aviz; after Ferdinand I's death in 1383 he quickly became the central figure resisting Castilian annexation and defending Portuguese independence, and though not yet king, he effectively led the Aviz faction.

Sources