Isabel de Guzmán Spanish lady (1607-1640) (1607–1640) Parents Gabriel Núñez de Guzmán, I Marquis of Toral Francisca de Guzmán Children Francisco Baltasar de Velasco, 5th Marquis of Berlanga Juana de Velasco Íñigo Melchor de Velasco, 7th Duke of Frías Siblings Ramiro Núñez de Guzmán Partners Bernardino Fernández de Velasco, 6th Duke of Frías