Henry IV of Castile, nicknamed the Impotent, was King of Castile and León and the last of the weak late-medieval kings of Castile and León. During Henry's reign, the nobles became more powerful and the nation became less centralised.
Depiction in the 15th century journal of Georg von Ehingen
Stained glass "Don Enriq" in the Alcázar, Segovia
Artist's conception by Jose Maria Rodriguez de Losada, c. 1892–1894
Henry IV cuartillo from the Villalón de Campos mint
John II of Castile was King of Castile and León from 1406 to 1454. He succeeded his older sister, Maria of Castile, Queen of Aragon, as Prince of Asturias in 1405.
Tomb of John II in the Miraflores Charterhouse
"John II of Castile", imaginary portrait by Francisco Aznar (1881)