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 to Cambodian-US relations, which had been at a very low ebb". She also attended the funeral services of Martin Luther King, Jr. in Atlanta, Georgia, in April 1968, despite her initial reluctancy due to the crowds and reminders of President Kennedy's death. After the assassination, Jacqueline relied heavily on her brother-in-law Robert F. Kennedy; she observed him to be the "least like his father" of the Kennedy brothers. He had been a source of support after she had suffered a miscarriage early in her marriage; it was he, not her husband, who stayed with her in the hospital. In the