Alfonso Pérez de Guzmán Roman Catholic patriarch, son of Alonso Pérez de Guzmán, 7th Duke of Medina Sidonia. (1594-1676) (1594–1676) Parents Alonso Pérez de Guzmán, 7th Duke of Medina Sidonia Ana Gómez de Silva y de Mendoza Children Siblings Leonor Manrique Sotomayor Juan Manuel Pérez de Guzmán, 8th Duke of Medina Sidonia Miguel Gerónimo Pérez de Guzmán Miguel de Guzmán