Harry Hays Morgan Jr. was an American diplomat, society figure and actor. He is most notable as the brother of Gloria Morgan Vanderbilt and uncle of Gloria Vanderbilt.

Gloria Morgan Vanderbilt was an American socialite. Vanderbilt was the mother of fashion designer and artist Gloria Vanderbilt and maternal grandmother of television journalist Anderson Cooper. She was a central figure in Vanderbilt vs. Whitney, one of the most sensational American custody trials in the 20th century.