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
María del Rosario de Silva, Duchess of Alba of Alba, thus becoming the Duchess of Alba. She had one daughter, Cayetana, born in 1926. She stayed with her family in the Liria Palace in Madrid and died there of tuberculosis, aged only 33. María del Rosario de Silva, Duchess of Alba Doña María del Rosario de Silva y Gurtubay, Duchess of Alba de Tormes, "suo jure" 9th Marquise of San Vicente del Barco, Grandee of Spain (Madrid, Spain; 4 April 1900 – 11 January 1934) was a Spanish aristocrat and socialite. Single heiress of all the titles of her father, Alfonso de Silva, 16th Duke of Híjar, and