Aristotle Onassis and his yacht "Christina O". Onassis died at age 69 on 15 March 1975 at the American Hospital of Paris in Neuilly-sur-Seine, France, of respiratory failure, a complication of the myasthenia gravis from which he had been suffering during the last years of his life. Onassis was buried on his island of Skorpios in Greece, alongside his son, Alexander. Onassis' will established a charitable foundation in memory of his son, named the Alexander S. Onassis Public Benefit Foundation, based in the tax haven of Vaduz in Liechtenstein, and headquartered in Athens. The foundation received 45% of Onassis' estate, which would
Aristotle Onassis with a friend of hers at their home in Cap d'Antibes, the Château de la Croë. The house was then acquired by Onassis' brother-in-law and business rival Stavros Niarchos, who bought it for his wife, Eugenia Livanos, Athina's sister. Onassis and Livanos divorced in June 1960 during Onassis' well publicised affair with Maria Callas. Onassis and opera prima donna Maria Callas carried on an affair despite the fact that they were both married. They met in 1957 during a party in Venice promoted by Elsa Maxwell. After this first encounter, Onassis commented to Spyros Skouras: "There [was] just a natural