He married Jacqueline Bouvier on Sept. 12, 1953, and they welcomed daughter Caroline Kennedy on Nov. 27, 1957, and son John F. Kennedy Jr. on Nov. 25, 1960.

Here’s everything we know so far about “American Love Story,” Ryan Murphy’s new series about Carolyn Bessette-Kennedy, John F. Kennedy Jr., and Jacqueline Kennedy Onassis.

In a series regular role, Gummer will portray Caroline Kennedy. In recurring roles, Lemmon will portray Lauren Bessette, and Nivola will play Calvin Klein. FX and 20th Television declined to comment.