Juan Sancho de Tovar, 1st Marquis of Berlanga Marquis of Berlanga (1490–1540) Parents Íñigo Fernández de Velasco, 2nd Duke of Frías María de Tovar Children Íñigo Fernández de Velasco, 4th Duke of Frías Siblings Pedro Fernández de Velasco, 3rd Duke of Frías