WILLIAM JOHN NEWTON ( 1785 - 1869 ) was a British painter. WILLIAM JOHN NEWTON s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1516.86 USD for Henry Hake Seward (d.1848) and his wife Katherine (née Beachcroft) (1779-1847): he, wearing blue coat, white waistcoat and frill in 2004 to 4013.79 USD for Captain Thomas Boteler in gold