| |  | Don Ferdinand de la Cerda (1253-1275) was the Crown Prince ("infante") of Castile, eldest son of King Alfonso X of Castile and Violant of Aragon.... |  | Doña Urraca of Zamora, Infanta of Castile was an 11th century princess at the time of El Cid and the Spanish reconquista. She was a real-life h... |  | Juana of Castile, known also as the Beltraneja was a princess of Castile. Her birth caused a scandal in the Castilian court. Her mother was Joana,... |  | Don Juan Manuel he is one of the most important Spanish medieval writers, nephew of Alfonso X el Sabio as son of its brother Infante Don Manuel de... | |
