• Was a French portrait painter, lithographer, restorer, and art dealer.
• Born 8 February 1766 in Toulouse.
• Bonnemaison was educated in Montpellier.
• Following the French Revolution he fled to England, but returned to France shortly afterwards, and exhibited portraits and other works at the Paris Salon from 1796.
• He restored five paintings by (or at least then believed to be by) Raphael, which Joseph Bonaparte had removed from the Spanish Royal collection and taken to Paris.
• For this he was awarded the Légion d’Honneur by Louis XVIII.
• As an art dealer he is recorded as having sold 150 pictures from the collection of Prince Vincenzo Giustiniani to Frederick William III of Prussia in 1815, and two years later he sold Talleyrand's collection of Dutch and Flemish works to a fellow dealer, William Buchanan.
• He acted as an agent for the 1st Duke of Wellington, buying pictures, including some notable Dutch genre paintings.
• He died in Paris in 1827.
