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.
Henry Manners, 8th Duke of Rutland Henry John Brinsley Manners, 8th Duke of Rutland, KG, TD (16 April 1852 – 8 May 1925), known as Henry Manners until 1888 and styled Marquess of Granby until 1906, was a British peer and Conservative politician.