When did Margaret Georgiana Spencer's husband die?
John Spencer, 1st Earl Spencer John Spencer, 1st Earl Spencer (19 December 1734 – 31 October 1783) was a British peer and politician.
Lady Elizabeth Cavendish Lady Elizabeth Georgiana Alice Cavendish CVO (born 24 April 1926) is a childhood friend of Queen Elizabeth II and lady-in-waiting to Princess Margaret from the late-1940s until the latter's death in 2002 .