Jackie Onassis receives an enthusiastic hug from her son John Jr., affectionately known as John John, during their reunion at Athens airport.

Jackie Onassis receives an enthusiastic hug from her son John Jr., affectionately known as John John, during their reunion at Athens airport.

First Lady Jackie Kennedy, in red wool suit and beret designed by Oleg Cassini, on trip to Canada, 1961.

First Lady Jackie Kennedy, in red wool suit and beret designed by Oleg Cassini, on trip to Canada, 1961.

Michael Canfield and Jacqueline Bouvier enjoying ‘tennis week’ at the Newport Casino.

Michael Canfield and Jacqueline Bouvier enjoying ‘tennis week’ at the Newport Casino.

Michael Canfield and Jacqueline Bouvier at Newport Casino Tennis Week, Newport, Rhode Island.

Michael Canfield and Jacqueline Bouvier at Newport Casino Tennis Week, Newport, Rhode Island.