Emilie Lachaud De Loqueyssie ( 1793 - 1863 ) was a French painter. Emilie Lachaud De Loqueyssie s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1047.17 USD for The Sistine Madonna in 2010 to 2005.39 USD for Two young boys in 2011 , based on the size and medium of the artwork.