John F Kennedy was married to a french woman called Jacqueline Bouvier. The first lady directly gained the earth of american people.The problem was that JFK had many extra-marital relationships that made the headlines of the newspapers. The main one was with Marilyn Monroe. This was only rumors but it contributed to decrease the image of the president and led to the famous "Happy Birthday Mister President" song that had been realy controversionnal.
See more about his private life : http://bbd3manevraumontbenjamin2013.blogspot.be/