She carried the mantle of the Onassis shipping empire, successfully running the business after her father's death.

[7] Christina received considerable media attention for her lavish lifestyle, spending habits, and turbulent personal life.

Diagnosed with clinical depression at the age of 30, she was prescribed barbiturates, amphetamines, and sleeping pills, to which she developed an addiction.

[5] Her second husband was Greek shipping and banking heir Alexander Andreadis, whom she married shortly after her father's death in 1975.

[citation needed] Onassis's third husband was Russian shipping agent Sergei Kauzov, whom she married in 1978.

[5] They divorced after Onassis discovered that Roussel had fathered a child with his long-time mistress, Swedish model Marianne "Gaby" Landhage, during the marriage.

[9] On 19 November 1988, Christina's body was found by her maid in the bathtub of a mansion in Tortuguitas, outside of Buenos Aires, where she had been staying.

A private Greek Orthodox funeral was held for her on 20 November at a chapel on the Onassis-owned island of Skorpios, where she was buried in the Onassis family plot alongside her father and brother.

[8] Raised in Switzerland by her father, Thierry Roussel and his wife, Marianne "Gaby" Landhage, Athina gained control of half of the estate on her 18th birthday.