Alexander Onassis of the United States Central Intelligence Agency (CIA) and the leader of the Greek military junta, Georgios Papadopoulos. Onassis's death had a profound effect on his father, who never fully recovered from the loss of his son. Aristotle Onassis sought to sell Olympic Airways after his son's death, and died two years later in March 1975. Onassis was buried alongside his son on Skorpios. Aristotle Onassis's will established a charitable foundation in memory of his son, the Alexander S. Onassis Public Benefit Foundation, based in the tax haven of Vaduz in Liechtenstein, and headquartered in Athens. The foundation received 45%
Jacqueline Kennedy Onassis plane crash in 1973. He died of respiratory failure at age 69 in Paris on March 15, 1975. His financial legacy was severely limited under Greek law, which dictated how much a non-Greek surviving spouse could inherit. After two years of legal wrangling, Kennedy eventually accepted a settlement of $26 million from Christina Onassis—Aristotle's daughter and sole heir— and waived all other claims to the Onassis estate. After the death of her second husband, Jacqueline returned permanently to the United States, splitting her time between Manhattan, Martha's Vineyard, and the Kennedy compound in Hyannis Port, Massachusetts. In 1975, she became