Sigmund Freudenberger (after) ( 1745 - 1801 ) was a Swiss painter. Sigmund Freudenberger (after) s works have been put up for auction numerous times, with realized prices varying from 747.51 USD for Das geschlüpfte Küken in 2006 to 830.56 USD for La famille champêtre in 2006 , based on the size and medium of the artwork.