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
Witches' Sabbath (The Great He-Goat) any of the fourteen "Black Paintings"; their modern names came about after his death. They are not inscribed, mentioned in his letters, and there are no records of him speaking of them. The works today are known by a variety of titles, most of which date to around the 1860s: his children were largely responsible for the names, with close friend contributing the rest. The title "El Gran Cabron" ("The Great He-Goat") was given by painter Antonio Brugada (1804–63). The Basque term for a Witches' Sabbath, "akelarre", is the source of the Spanish title "Aquelarre" and a derivation of "akerra",