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
House of Alba city of Granada. During the 16th century, Don Fernando Álvarez de Toledo, 3rd Duke of Alba, was given the title of governor general of the Spanish Netherlands. The third duke's first cousin was Doña Eleonor de Toledo, who married Cosimo I de' Medici, Grand Duke of Tuscany. Through her granddaughter Marie de' Medici, Queen of France, she became the ancestor of many crowned heads and heirs apparent of Europe. Her descendants include Juan Carlos I of Spain, Henri, Grand Duke of Luxembourg and Prince William, Duke of Cambridge. In 1802, María Cayetana de Silva, 13th Duchess of Alba, died without