Manuel Pérez de Guzmán, 12th Duke of Medina Sidonia

Manuel Pérez de Guzmán y Pimentel, 12th Duke of Medina Sidonia (1671–1721) became Duke of Medina Sidonia in 1713.

Biography
He was married in 1687, aged 16, to the 17-year-old Luisa Maria de Silva Mendoza. She was a daughter of Gregorio Maria Domingo, the 5th Duke of Pastrana, 5th Duke of Estremera and 9th Duke of el Infantado. They had 10 children, including :
 * Domingo (1691-1739), XIII Duke of Medina Sidonia.
 * Francisca Bibiana, married in 1721 José María Téllez-Girón, 7th Duke of Osuna.
 * Juana, married in 1713, the 9th Marquis of Villafranca del Bierzo.
 * Rosa, married the 6th Marquis of Ariza and Admiral of Aragón.