John F. Kennedy Jr. assassinated in 1968, his mother took him and his sister out of the United States, saying: "If they're killing Kennedys, then my children are targets ... I want to get out of this country." The same year, she married Greek shipping tycoon Aristotle Onassis, and the family went to live on his private island of Skorpios. Kennedy is said to have considered his stepfather "a joke". In 1971, Kennedy returned to the White House with his mother and sister for the first time since the assassination. President Richard Nixon's daughters gave Kennedy a tour that included his old bedroom, and
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