Jacqueline Kennedy Onassis followed her everywhere and nicknamed her "Jackie O". During their marriage, the couple inhabited six different residences: her 15-room Fifth Avenue apartment in Manhattan, her horse farm in New Jersey, his Avenue Foch apartment in Paris, his private island Skorpios, his house in Athens, and his yacht "Christina O". Kennedy ensured that her children continued a connection with the Kennedy family by having Ted Kennedy visit them often. She developed a close relationship with Ted, and from then on he was involved in her public appearances. Aristotle Onassis' health deteriorated rapidly following the death of his son Alexander in a
Jacqueline Kennedy Onassis years, Jacqueline attended selected memorial dedications to her late husband. She also oversaw the establishment of the John F. Kennedy Presidential Library and Museum, which is the repository for official papers of the Kennedy Administration. Designed by architect I.M. Pei, it is situated next to the University of Massachusetts campus in Boston. Despite having commissioned William Manchester's authorized account of President Kennedy's death, "The Death of a President", Jacqueline was subject to significant media attention in 1966–1967 when she and Robert Kennedy tried to block the publication. They sued publishers Harper & Row in December 1966; the suit was settled