Louis De Silvestre ( 1675 - 1760 ) was a French painter. Louis De Silvestre s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 4468.28 USD for Portrait of the Saxonian princess Theresia Benedicta as a child. in 2004 to 7798.99 USD for Portrait of Prince Xavier of Saxony (1730-1806) as a child, full-length in a red coat with silver