Jean françois De Troy (after) ( 1679 - 1752 ) was a French painter. Jean françois De Troy (after) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2366.08 USD for Perseus and Andromeda in 2004 to 124769.21 USD for LE TRIOMPHE DE MARDOCH√âE in 2011 , based on the size and medium of the artwork.