Lot Essay
The sitter was the daughter of Guillaume François, 2nd Marquis de Cepoy and Élisabeth Amaranthe Jogues de Martinville. In 1784, she married Georges Louis Marie Leclerc de Buffon (1764-1794) but subsequently became the official mistress of Louis Philippe, Duc d'Orléans (1747-1793), by whom she had one son, Victor (1792-1812). She divorced her husband in 1794, and in 1798, married General Julien Raphaël Renouard de Bussière.