Matthäus Kern ( 1801 - 1852 ) was an Austrian painter. Matthäus Kern s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 502.6 USD for Six children (group portrait of a family) in 2005 to 779.67 USD for Geschwisterbildnis in 2014 , based on the size and medium of the artwork.