Vladimir Ivanovich Hau ( 1816 - 1895 ) was a Russian painter. Vladimir Ivanovich Hau s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 7955.15 USD for Deux enfants (1842) in 2005 to a remarkable record 38768.28 USD for Portrait of the children of the Duke of Leuchtenberg in 2009 , based on the size and medium of the artwork.