Jean Francois De Troy ( 1679 - 1752 ) was a French painter. Jean Francois De Troy s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 120000 USD for ZEPHYR AND FLORA in 2003 to a remarkable record 580817.98 USD for Portrait de la famille Davène de Fontaine in 2013 , based on the size and medium of the artwork.