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 been living. Miranda challenged the prenuptial agreement and demanded alimony payments, and there were custody disputes over jointly owned horses. The divorce was finally settled in November 2017. Athina Onassis is the sole heiress of Christina Onassis, who inherited 55% of Aristotle Onassis's fortune. The remaining 45% of Aristotle's fortune (minus $26 million left to Jacqueline Kennedy Onassis) were left to the Alexander S. Onassis Foundation, established in honor of Alexander Onassis, Athina's late uncle, who had died in 1973. When Athina Onassis was seven years old, the "New York Times" cited a report from the Associated Press, naming Onassis