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
Athina Onassis Athina Onassis Athina Hélène Onassis (Greek: Αθηνά Ωνάση; born Athina Hélène Roussel (Αθηνά Ρουσσέλ), January 29, 1985) is a French-Greek heiress and equestrian, the only surviving descendant of Greek shipping magnate Aristotle Onassis, and the only child of Aristotle's daughter Christina Onassis. Onassis was born in Neuilly-sur-Seine, France, to Christina Onassis (1950–1988) and her fourth husband, Thierry Roussel, a French pharmaceutical heir. Her parents were married from 1984 to 1987. They divorced after Roussel had two children with his mistress, Swedish model Marianne "Gaby" Landhage. Christina Onassis died of pulmonary edema in November 1988, when Athina was three years old.