(1363-1416) Daughter of Enrique II of Castile and Juana Manuel. Was betrothed to Fernando of Portugal (1371), but he broke the engagement because in the meantime he had secretely married Leonor Teles. Married Carlos III of Navarre in 1375. Lionor Chronicle entries in which Leonor of Castile, Queen of Navarre appears: Crónica de D. Fernando, ch. 85: 10