Hon. Thomas Watson , later known as Thomas Watson - Wentworth ( 17 June 1665 -- 6 October 1723 ) , was the third son of Edward Watson , 2nd Baron Rockingham .
Hon. Thomas Watson , later known as Thomas Watson - Wentworth ( 17 June 1665 -- 6 October 1723 ) , was a British nobleman . 
 He was the third son of Edward Watson , 2nd Baron Rockingham .