. . . "Arthur Mountifort Longfield Ponsonby" . . "1912" . "Arthur Mountifort Longfield Ponsonby, 11th Earl of Bessborough" . . . . "Arthur Ponsonby, 11th Earl of Bessborough" . . . . . "11th Earl of Bessborough" . . "1912-12-11" . "Arthur Ponsonby, 11th Earl of Bessborough" . "Arthur Ponsonby
11th Earl of Bessborough" . "Madeleine, Countess of Bessborough" . . "Arthur Ponsonby" . . "2002" . . . "Earl of Bessborough" . . . . "2002-04-05" . . .