The arms are those of colonel Messire Jean-Charles-Henri van Dam baron van Dam d'Audignies and Marie-Philippine de Meulde de la Deuze, dame de Thiant, see Archeologie des Familles de Belgique, by Felix-Victor Goethals, p.112.
The shape of this tureen is probably based on a silver original and was then copied in faience at several European factories including Strasbourg, Crailsheim, Nuremburg and Hochst.
For further examples of similar form, see D.F. Lunsingh Scheurleer, Chine de Commande, p.218, no. 154, Henry Maertens de Noordhout, Porcelaines chinoises 'Compagnie des Indes' decoré d'armories Belges, p. 23-33, and D. Howard and J. Ayers, China for the West, p.552, pl.571, where the tureen is decorated with gilt flower-sprays