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
Athina Onassis Athina Onassis Athina Hélène Onassis (Greek: Αθηνά Ωνάση; born Athina Hélène Roussel (Αθηνά Ρουσσέλ), January 29, 1985) is a French-Greek heiress and equestrian, the only surviving descendant of Greek shipping magnate Aristotle Onassis, and the only child of Aristotle's daughter Christina Onassis. Onassis was born in Neuilly-sur-Seine, France, to Christina Onassis (1950–1988) and her fourth husband, Thierry Roussel, a French pharmaceutical heir. Her parents were married from 1984 to 1987. They divorced after Roussel had two children with his mistress, Swedish model Marianne "Gaby" Landhage. Christina Onassis died of pulmonary edema in November 1988, when Athina was three years old.