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) and "Judith and Holofernes". "Leocadia", "Two Old Men" and "Two Old Men Eating Soup" were on the left wall. Art historian Lawrence Gowing observed that the lower floor was divided thematically, with a male side – "Saturn" and "A Pilgrimage to San Isidro" – and a female side – "Judith and Holofernes", "Witches' Sabbath" and "Leocadia". The house changed owners a number of times before March 1873, when it came into the possession of the Belgian Frédéric Émile d'Erlanger, who speculated that the area would appreciate in value over the coming years. The murals had deteriorated badly after many years