Aristotle Onassis curiosity; after all, we were the most famous Greeks alive in the world." Callas and Onassis both divorced their spouses but did not marry each other although their relationship continued for many years. Onassis ended his relationship with Callas to marry Jacqueline Kennedy, widow of U.S. President John F. Kennedy. They married on 20 October 1968 on Onassis' privately owned Greek island, Skorpios. According to biographer Peter Evans, Onassis offered Mrs. Kennedy US$3 million to replace her Kennedy trust fund, which she would lose because she was remarrying. After Onassis' death, she would receive a settlement of US$26 million; US$150,000
Alexander Onassis relationship with Fiona Thyssen, former wife of Hans Heinrich Thyssen-Bornemisza. He was later appointed the head of Olympic Aviation, a Greek regional airline owned by his father. Onassis died in hospital as a result of injuries sustained in an air crash at Hellinikon International Airport at the age of 24. The Alexander S. Onassis Foundation was established in his memory. Alexander Socrates Onassis was born at the Harkness Pavilion, a private clinic in New York City's NewYork–Presbyterian Hospital. He was the elder child of the Greek shipping magnate Aristotle Onassis (1906 –1975) and his first wife, Athina Livanos (1929 –1974),