Enrique III of Castile

Henry III of Castile (4 October 1379 – 25 December 1406), called the Suffering due to his ill health, was the son of John I and Eleanor of Aragon. He succeeded his father as King of Castile in 1390. Birth and education Henry was born in Burgos, the capital of Castile. He was the first-born child of the recently crowned king John I of Castile and his wife Eleanor of Aragon. His younger brother Ferdinand grew up to become king of Aragon. His upbringing was entrusted to Inés Lasso de la Vega, the wife of John Niño. As a child he was educated by Diego de Anaya Maldonado, Bishop of Tui-Vigo, who later became Archbishop of Seville. His tutor was Juan Hurtado de Mendoza el Limpio and his confessor was the Dominican Alonso de Cusanza, who later became Bishop of Salamanca and León. Prince of Asturias At the time of his wedding, he received the title Prince of Asturias with the approval of the court of Briviesca. This title designated him as the heir apparent. He was the first person to hold this title, with earlier heirs to the throne being known as infantes mayores.