Author: Juan I King of Castile and León
Alternate names: Juan I. Castilla, Rey; Jean I, roi de Castille et de León; Juan de Trastamara,‏ roi de Castille et de León; Juan koning van Castilië en León I; Juan I, King of Castile and Leon; Johan I, kung av Kastilien; Joannes‏ Castellae et Legionis Rex‏
Title: King of Castile and Leon
Born: 1358
Died: 1390