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.
Jacqueline Kennedy Onassis Jacqueline Lee "Jackie" Kennedy Onassis (née Bouvier; ; July 28, 1929 – May 19, 1994) was the wife of the 35th President of the United States, John F. Kennedy, and First Lady of the United States from 1961 until his assassination in 1963.