In which year did this British peer and politician whose daughter was Henrietta Ponsonby, Countess of Bessborough pass away?
John Spencer, 1st Earl Spencer John Spencer, 1st Earl Spencer (19 December 1734 – 31 October 1783) was a British peer and politician.
George North, 3rd Earl of Guilford George Augustus North, 3rd Earl of Guilford, FRS (11 September 1757 – 20 April 1802), known as the Honourable George North until 1790 and as Lord North from 1790 to 1792, was a British politician.