Jacques-Louis Leblanc (1774?1846), 1823, Oil on canvas, 47 5/8 x 37 5/8 in. (121 x 95. 6 cm), Paintings, Jean Auguste Dominique Ingres (French, Montauban 1780?1867 Paris), This portrait of Leblanc and that of his wife were painted in 1823, shortly after Ingres met the couple in Florence. Madame Leblanc had been lady-in-waiting to the Grand Duchess of Tuscany, Napoleon's sister ?lisa Bacchiochi; Monsieur Leblanc was her secretary