Arthur Mountifort Longfield Ponsonby, 11th Earl of Bessborough, was a British peer.
He was the son of Maj. Hon. Cyril Myles Brabazon Ponsonby, second son of Edward Ponsonby, 8th Earl of Bessborough, and his wife Rita Narcissa Longfield, daughter... Wikipedia
Born: December 11, 1912
Died: April 5, 2002 (age 89 years)
Partner: Madeleine Bessborough (1963–), Anne Marie Baronin von Slatin (1956–), Patricia Minnigerode (1939–), and more
Grandchildren: Christophe Charles Emett Ponsonby, Lady Chloë Patricia Ponsonby, Theresa Emily Longfield Ponsonby, and more
Grandparents: Blanche Vere Guest, Edward Ponsonby, 8th Earl of Bessborough, and Mountifort Longfield
Great grandchildren: Eleanor Grace Ponsonby and William August Longfield Ponsonby