Ellen Sharples ( 1769 - 1849 ) was a British painter. Ellen Sharples s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 519.99 USD for Portrait of Lady William Cavendish-Bentinck (c.1783-1843) in 2005 to 156000 USD for Portrait of George Washington in 2005 , based on the size and medium of the artwork.