When was John Gardner Coolidge's aunt born?
Isabella Stewart Gardner Isabella Stewart Gardner (April 14, 1840 – July 17, 1924) was a leading American art collector, philanthropist, and patron of the arts. She founded the Isabella Stewart Gardner Museum in Boston.
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 .