Charles Stanhope, 3rd Earl Stanhope, aka Charles Mahon, 3rd Earl Stanhope, FRS, was a British statesman, inventor, and scientist. He was the father of Lady Hester Stanhope and brother-in-law of William Pitt the Younger. Wikipedia
Born: August 3, 1753, United Kingdom
Died: December 15, 1816 (age 63 years), Kent, United Kingdom
Great grandchildren: Archibald Primrose, 5th Earl of Rosebery, Edward Stanhope, Arthur Stanhope, 6th Earl Stanhope, and more
Parents: Philip Stanhope, 2nd Earl Stanhope
Grandparent: James Stanhope