María Cayetana de Silva, 13th Duchess of Alba the House of Osuna. The Duchess' relationship with famed Spanish painter Francisco Goya and her somewhat eccentric personality have contributed greatly to a continuing interest in her life during the two centuries since her death. Goya executed several well-known portraits of the duchess, most of them during his stay at Sanlúcar de Barrameda (one of the Andalusian country seats of the House of Medina-Sidonia), shortly after the death of her husband, the Duke of Alba, who was also Duke of Medina Sidonia, in 1796. Goya's accompaniment of the recently widowed Duchess combined with certain innuendo expressed in his portraits of
Cayetana Fitz-James Stuart, 18th Duchess of Alba Cathedral by Msgr. Carlos Amigo Vallejo where the Royal Family were represented by the Infanta Elena. Cayetana's patriline is the line from which she is descended via her father's direct male lineage, father to son. Patrilineal descent is the principle behind membership in Ducal Houses, as it can be traced back through the generations – which means that Cayetana's "historically accurate" House name is FitzJames-Stuart. Cayetana Fitz-James Stuart, 18th Duchess of Alba María del Rosario Cayetana Fitz-James Stuart y Silva, 18th Duchess of Alba, GE, OIC, OSH, DOA, OAX, OSG, OPC (28 March 1926 – 20 November 2014), was head