Princes of Santo Mauro Principi di Santo Mauro Records #4 Holders Family filter On/Off Francisco Arias del Castillo y Horcasitas, 6th marquess of Villadarias * 1742 Giacomo Saluzzo, 3rd duke of Corigliano e 2nd prince of Santo Mauro Juan Bautista Arias del Castillo, 4th marquess of Villadarias * 1696 Pedro Regalado Horcasitas y Salazar, 1st marquess of Vera Corrections and Updates To suggest a correction or an update. Click Here