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
Maria Callas Italy. The renunciation also helped her finances, as she no longer had to pay U.S. taxes on her income. The relationship ended two years later in 1968, when Onassis left Callas in favor of Jacqueline Kennedy. However, the Onassis family's private secretary, Kiki, writes in her memoir that even while Aristotle was with Jackie, he frequently met with Maria in Paris, where they resumed what had now become a clandestine affair. Callas spent her last years living largely in isolation in Paris and died of a heart attack at age 53 on September 16, 1977. Heart failure is a possible