The Black Duchess create a painting for her, which he did. This painting is the "Portrait of the Duchess of Alba", painted at her request. The Black Duchess The Black Duchess (also Mourning Portrait of the Duchess of Alba or simply Portrait of the Duchess of Alba) is a 1797 oil-on-canvas painting by Spanish painter Francisco Goya. The Duchess in the painting is María Cayetana de Silva, 13th Duchess of Alba, then 35 years old. It is a companion piece to the more chaste "The White Duchess", completed two years earlier. In this work, de Silva is dressed in low cut "Maja" clothing.
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