Duke of Escalona is a hereditary title in the peerage of Spain, accompanied by the dignity of Grandee and granted in 1472 by Henry IV to Juan Pacheco, 1st Marquess of Villena.
The title refers to the village Escalona del Alberche, in the Province... Wikipedia
Past holder: Juan Pacheco
First holder: Juan Pacheco y Téllez-Girón, 1st Duke of Escalona