Don Francisco de Borja Álvarez de Toledo y Gonzaga (1763-1821), 12th Marquis of Villafranca and 16th Duke of Medina Sidonia, and Doña María Tomasa Palafox Portocarrero (1780-1835), Marchioness of Villafranca and Duchess of Medina Sidonia, with their first-born son, Francisco Álvarez de Toledo y Palafox (1799-1816)$500