Jean Antione Theodore Giroust ( 1753 - 1817 ) was a painter. Jean Antione Theodore Giroust s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from USD for in to a remarkable record 1445000 USD for Mademoiselle d'Orléans Taking a Harp Lesson in 2015 , based on the size and medium of the artwork.