Johann Christian Klengel ( 1751 - 1824 ) was a German painter. Johann Christian Klengel s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2623.81 USD for Wide wooded river landscape at sunset in 2004 to 75000 USD for PORTRAIT OF PRINCE ALEXANDER MIKHAILOVICH BELOSELSKY AND HIS FAMILY IN A LANDSCAPE in 2014 , based on the size and