Ingres, Jean Auguste Dominique (1780-1867); French. Medium: graphite on paper. Date: 1815. The eldest is Lady Laucent Mary Montagu (1806-57) daughter of the 6th colonel of Sandwich; the youngest is Catherine Caroline Montagu (1808-34) later Countess Alexandre Walensk; Collection Comte de Sandwich, Hinchingbrooke; Provenance: Private Collection / Giraudon. Photographic Rights The Bridgeman Art Library.