Witches' Sabbath (Goya, 1798) feature of Romanticism, and is to be found for example in Weber's opera "Der Freischütz". However, in a Spanish context, Goya's paintings have been seen as a protest against those who upheld and enforced the values of the Spanish Inquisition, which had been active in Witch hunting during the seventeenth-century Basque witch trials. The later "Witches Sabbath" was painted as a bitter struggle raged between liberals and those in favour of a church and a royalist-lead state, which culminated in the so-called Ominous Decade (1823-1833). Both paintings can be seen as an attack on the superstitious beliefs rife in Spain
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