Hendrik Willem Schweickardt ( 1746 - 1797 ) was a British painter. Hendrik Willem Schweickardt s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 53.1 USD for Studies of cattle in 2004 to 2821.24 USD for A family of sheep by a sheepfold; and A family of sheep by a tree in 2004 , based on the size and medium of the artwork.