Wallace Collection the largest, most important and extant collection of French 18th-century decorative arts in the world, rivalled only by the triumvirate of the Musée du Louvre, Château de Versailles and Mobilier National in France. The Wallace Collection is a non-departmental public body and admission is free. The Wallace Collection is a museum which displays the works of art collected in the 18th and 19th centuries by five generations of a British aristocratic family – the first four Marquesses of Hertford and Sir Richard Wallace, the illegitimate son of the 4th Marquess. In the 19th century, the Marquesses of Hertford were one
Marquess of Sligo gave the Marquesses an automatic seat in the House of Lords. He was succeeded by his son, the second Marquess. He was Lord Lieutenant of County Mayo from 1842 to 1845. Lord Sligo married Lady Hester Catherine de Burgh, eldest daughter of John Thomas de Burgh, 13th Earl of Clanricarde. In 1800, Lord Clanricarde was given a new Earldom of Clanricarde, with remainder, failing heirs male of his own, to the heirs male of his two daughters. Lord Sligo's younger son, the fourth Marquess, represented County Mayo in Parliament from 1857 to 1868. His nephew, the sixth Marquess, succeeded to