Juan Pacheco (Belmonte, 1419-Trujillo October 1, 1474). Noble Castilian that dominated the political scene since the late years of the reign of Juan II of Castile until almost the reign of Isabella the Catholic and confidant of Henry IV of Castile.
Held the titles of Marquis of Villena, the Count of Xiquena, Duke of Escalona for his marriage to his second wife, Master of the Order of Santiago and Grand master of the king's house.
Juan Pacheco was the son of Alfonso Tellez Giron and Vázquez de Acuña and Maria Pacheco, daughter of Juan Fernandez Pacheco, first lord of Belmonte (Cuenca) and Agnes Téllez de Meneses. In a family from the Portuguese nobility, having been exiled to Castile after the battle of Aljubarrota (1385), were owners of their main possessions Belmonte as the Alcazar, built by Prince Don Juan Manuel, and later the castle of Belmonte, which was built by Juan Pacheco 1456 after being named the Marquis de Villena. In his childhood playmate was Henry IV of Castile. Was a page of Alvaro de Luna who intervened to bring it into court as Child of Prince Henry.