Aristotle Onassis' longtime personal secretary Kiki Feroudi Moutsatsos tells PEOPLE about his affair with Maria Callas ...

According to Aristotle Onassis's former secretary Kiki Feroudi Moutsatsos, Jackie Kennedy Onassis was fully aware of his ...

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 ...

There weren’t many people closer to Aristotle Onassis than Kiki ... She never spoke [directly] about Maria Callas. What she spoke of was Onassis's behavior. If I could characterize her, I ...

New details the most mysterious love triangles of the 20th century, that of Aristotle Onassis Maria Callas and Jackie Kennedy ...

The Metropolitan Opera House was awash in pearls and tuxedos on a recent gala evening. Socialites traded political gossip by ...

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 ...

She never spoke [directly] about Maria Callas. What she spoke of was ... respect between Jackie and Aristotle Onassis. It was not a great love story.” Getty Images Callas, on the other hand ...