Witches' Sabbath (Goya, 1798) Witches' Sabbath (Goya, 1798) Witches' Sabbath () is a 1798 oil on canvas by the Spanish artist Francisco Goya. Today it is held in the Museo Lázaro Galdiano, Madrid. It was purchased in 1798 along with five other paintings related to witchcraft by the Duke and Duchess of Osuna. The acquisition of the witchcraft paintings is attributed to the duchess rather than her husband, but it is not known whether they were commissioned or bought after completion. In the twentieth century the painting was purchased by the financier José Lázaro Galdiano and donated to the Spanish state on his death.
María Cayetana de Silva, 13th Duchess of Alba was poisoned (this theory was dramatized in the film "The Naked Maja"). She had no biological issue although she did have an adoptive daughter, known as María de la Luz. After her death, the title Duke of Alba passed to a relative, Carlos Miguel Fitz-James Stuart (1794–1835), who became the 14th Duke 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