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 in both ads and stumping as vital assets in securing his victory, and he called her "simply invaluable". In July 1959, historian Arthur M. Schlesinger visited the Kennedy Compound in Hyannis Port and had his first conversation with Jacqueline; he found her to have "tremendous awareness, an all-seeing eye and a ruthless judgment". That year, Jack Kennedy traveled to 14 states, with Jacqueline taking long breaks from the trips so she could spend time with their daughter Caroline. She also counseled her husband on improving his wardrobe in preparation for his intended presidential campaign the following year. In particular, she