 Baltasar de la Cueva, Count of Castellar

Don Baltasar de la Cueva y Enríquez de Cabrera, "iure uxoris" Count of Castellar and Marquis of Malagón (sometimes "Baltasar de la Cueva Enríquez de Cabrera y Arias de Saavedra") (1626 in Madrid – April 2, 1686) was viceroy of Peru from August 15, 1674 to July 7, 1678.He was a younger son of the 7th Duke of Alburquerque, and brother of Francisco Fernández de la Cueva, 8th Duke of Alburquerque, who served as Viceroy of New Spain.