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

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

Aristotle Onassis and Maria Callas 'couldn't live without the other one,' his longtime personal secretary Kiki Feroudi ...

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

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 ...

“They couldn’t live without the other one,” Kiki Feroudi Moutsatsos, Onassis’ longtime personal secretary, tells PEOPLE. Once their affair began, she says, they "never stopped seeing each ...

There weren’t many people closer to Aristotle Onassis than Kiki Feroudi Moutsatsos, his personal secretary and loyal gatekeeper. It was Moutsatsos who arranged for many of the secret ...

Aristotle Onassis and Maria Callas "couldn't live without the other one,” Kiki Feroudi Moutsatsos recalls Hulton-Deutsch Collection/CORBIS/Corbis via Getty Aristotle Onassis and Maria Callas When ...

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 ...