The affair was one to remember ... Radziwill's former lover. "After Bobby was killed, as much as [Radziwill] wanted to be with [Onassis], she gave him up for Jackie," author J.

Moments later, his brother Bobby entered the room and closed the door. (Also Read | Marilyn Monroe confessed about JFK affair ...

The affair between President John F. Kennedy and Marilyn Monroe has long been documented, but now Shirley MacLaine has made a shocking claim about Marilyn's relationship with John's brother Bobby.