Aristotle Onassis' longtime personal secretary Kiki Feroudi Moutsatsos tells PEOPLE about his relationship with Maria Callas, which began years before he married Jackie Kennedy Liz McNeil is an ...

Maria Callas with Aristotle Onassis, with whom she was in a long relationship—until he married Jackie Kennedy. Maria Callas on stage at the Metropolitan Opera in New York City. As far as ...

She also said that she didn't believe in marriage. Callas and Onassis' relationship continued during his marriage to Jackie Kennedy Jackie Kennedy isn't a character in "Maria," but she is ...

Aristotle Onassis' longtime personal secretary Kiki Feroudi Moutsatsos tells PEOPLE about his affair with Maria Callas Central Press/Getty; Ron Galella/Ron Galella Collection via Getty; Len ...

Jackie Kennedy Was Advised to 'Ignore' Husband Aristotle Onassis' Romance with Maria Callas (Exclusive) Inside Jackie Kennedy and Maria Callas' Love Triangle with Aristotle Onassis from Someone ...

It’s been over 50 years since Jackie Kennedy tied the knot with Greek shipping ... “The dress is a stepping stone in her ...