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.
Charles Manners, 6th Duke of Rutland Charles Cecil John Manners, 6th Duke of Rutland KG (16 May 1815 – 3 March 1888, in Belvoir Castle), styled Marquess of Granby before 1857, was an English Conservative politician.