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- Speaker of House of Commons
BiographyJohn Ponsonby was born 29 March 1713 to Brabazon Ponsonby, 1st Earl of Bessborough (1679-1758) and Sarah Margetson (c1689-1733) and died 16 August 1787 of unspecified causes. He married Elizabeth Cavendish (1723-1760) 23 September 1743 .