Antonie Jean Joseph Ansiaux ( 1764 - 1840 ) was a French painter. Antonie Jean Joseph Ansiaux s works have been auctioned off multiple times, with realized prices varying according to the size and medium of the artwork, for instance of 47457.46 USD for Portrait of Marie-Denise Smits, née Gandolphe (1777-1857), full-length, in a black dress, playing a harp in an interior in 2007