When was John Gardner Coolidge's aunt born?
John Gardner Coolidge John Gardner Coolidge (July 4, 1863 – February 28, 1936) was an American collector, diplomat, author, and nephew of Isabella Stewart Gardner.
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 .