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.
Philip Sidney, 3rd Earl of Leicester Philip Sidney, 3rd Earl of Leicester (10 January 1619 – 6 March 1698) was an English politician who sat in the House of Commons at various times between 1640 and 1659 and inherited the peerage of Earl of Leicester in 1677. He supported the Parliamentary cause in the English Civil War. During the Wars of the Three Kingdoms, he was known as Viscount Lisle or (Lord Lisle) a subsidiary title of the Earls of Leicester.