XIR173919 Portrait of the Marquis de Marigny and his Wife, Marie-Francoise Constance Julie Filleul, 1769 (oil on canvas) by Loo, Louis Michel van (1707-71); 130x97.5 cm; Louvre, Paris, France; (add.info.: Abel Francois Poisson (1727-81); also marquis de Vandieres & Menars; Director of the Kings\'s Buildings; brother of Madame de Pompadour; Marie Francoise Filleul (1751-1822) was the illegitimate daughter of Louis XV and Irene de Buisson de Longpre;); French, out of copyright.