Sophie Philippine Élisabeth Justine de France,fille de France (1734–1782) was a French princesse du sang, by J-M Nattier. She was the 6th daughter and 8th child of Louis XV of France and Queen consort Marie Leszczyńska. First known as Madame Cinquième, she later became Madame Sophie. Had little influence at court, died unmarried.
David and Rosina Matthieu (German, 18th Century). Portrait of a Lady, 1754. the University of Michigan Museum of Art, Michigan. Gift of Baroness Maud Ledyard von Ketteler, 1951. http://www.umma.umich.edu