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.
Blanchette Ferry Rockefeller Blanchette Ferry Hooker (October 2, 1909 – November 29, 1992) was the wife of John D. Rockefeller III and mother of Jay Rockefeller. She was twice president of the Museum of Modern Art.