Juan I
King of Castile and León
(1358–90)

Biographical

King of Castile and León 1379–90†
Señor de Vizcaya 1370
Señor de Lara 1370
Alférez mayor to Enrique II

Place of birth: Epila
Place of first marriage: Soria
Place of second marriage: Badajoz
Place of death: Alcalá de Henares
Place of burial: Cathedral of Toledo

Son of Enrique II, King of Castile and León and Juana Manuel, he was married firstly in 1375 to Leonor of Aragon, with issue:
• Enrique III (see)
• Fernando I (see)

Juan was married secondly in 1383 to Brites of Portugal