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
James Roberts (painter) was the reason her father agreed to sit for Roberts, that the result was uncharacteristic, and that the book shown was a novel. Roberts was also a scene painter at Blenheim Palace, in 1788 and 1789. In 1789 he was designer for "The Maid of the Oaks", and "False Appearances". a translation by Henry Seymour Conway of "Trompeurs Dehors" by Louis de Boissy. By 1795, Roberts had an appointment as portrait painter to the Duke of Clarence. He exhibited again annually at the Royal Academy from 1795 to 1799. The National Portrait Gallery, London holds 52 portraits by Roberts or