María Cayetana de Silva, 13th Duchess of Alba María Cayetana de Silva, 13th Duchess of Alba María del Pilar Teresa Cayetana de Silva-Álvarez de Toledo y Silva, 13th Duchess of Alba, GE (full name, see infobox; 10 June 1762 – 23 July 1802), was a Spanish aristocrat and a popular subject of the painter Francisco de Goya y Lucientes. María del Pilar Teresa Cayetana de Silva Alvarez de Toledo became the 13th Duchess of Alba in 1776. Her marriage to José Álvarez de Toledo, 11th Marquis of Villafranca, made her and her husband the wealthiest couple in the Kingdom of Spain; their only rivals to this title were
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",