Question: Who is Juan De La Cerda, 6Th Duke Of Medinaceli's paternal grandfather?
Sentence (from "Juan Tomas Enriquez de Cabrera, 7th Duke of Medina de Rioseco"): He was the 11th and last hereditary Admiral of Castile, Governor of the Duchy of Milan,( 1678 – 1686), Viceroy of Catalonia,( 1688), member of the State Council, ambassador in Rome and France, Caballerizo mayor to the King and Field Marshal of the Holy Roman Empire( 1705).
Relevant evidence: No