San Esteban de Gormaz
Mercurio Antonio López Pacheco y Portugal Acuña Manrique Silva Girón y Portocarrero, twice Grandee of Spain, 9th Duke of Escalona, 9th Marquis of Villena, 15th Count of Castañeda, 11th Count of San Esteban de Gormaz and 9th Count of Xiquena (Escalona, 9 May 1679 – Madrid, 7 June, 1738), was a Spanish aristocrat and academician.