sentences:  Around 1580, the Duke married María Girón de Guzmán, eldest daughter of Pedro Girón de la Cueva, 1st Duke of Osuna.Together they had a son and a daughter.The daughter, Ana de Velasco y Girón in turn married Teodósio II, Duke of Braganza and in 1604 gave birth to João, 8th Duke of Bragança, who was crowned King João IV of Portugal on 1 December 1640.