Henry III of Castile, 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. Wikipedia
Born: October 4, 1379, Burgos, Spain
Died: December 25, 1406 (age 27 years), Toledo, Spain
Children: John II of Castile, Maria of Castile, and Infanta Catherine, Duchess of Villena
Parents: John I of Castile and Eleanor of Aragon, Queen of Castile
Grandchildren: Henry IV of Castile, Isabella I of Castile, Alfonso, Prince of Asturias, and more
Spouse: Catherine of Lancaster (m. 1388–1406)
Great-grandparents: Alfonso XI of Castile, Eleanor de Guzmán, Juan Manuel, and more