John I of Castile, King of Castile, King of Toledo, King of León, King of Galicia, was born 24 August 1358 in Epila, Zaragoza, Spain to Henry II of Castile (1334-1379) and Juana Manuel (1339-1381) and died 9 October 1390 Alcalá de Henares, Madrid, Spain of fall of horse. He married Eleanor of Aragon (1358-1382) 18 June 1375 JL in Soria, Spain. He married Beatriz of Portugal (1372-1408) 14 May 1383 JL in Elvas. Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Henry II of England (1133-1189)/s, Hugh Capet (c940-996)/s, William I of England (1027-1087)/s, Rollo of Normandy (860-932)/s.
|Offspring of John I of Castile and Eleanor of Aragon (1358-1382)|
|Henry III of Castile (1379-1405)||4 October 1379 Burgos||25 December 1405 Toledo||Katherine of Lancaster (1372-1418)|
|Fernando I of Aragon (1380-1416)||27 November 1380 Medina del Campo, Castile and León, Spain||2 April 1416 Igualada, Catalonia, Spain||Eleanor de Alburquerque (1374-1435)|
|Leonor of Castile (1382-?)|