Pedro Fernández de Velasco, 3rd Duke of Frías Grandee of Spain and 3rd duke of Frias (1485–1559) Parents Íñigo Fernández de Velasco, 2nd Duke of Frías María de Tovar Children Pedro Fernández de Velasco y Rozas Juan Fernandez de Velasco Barreda Siblings Juan Sancho de Tovar, 1st Marquis of Berlanga