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
Aristotle Onassis to invest in hotels without a guarantee from Rainier that no other competing hotel development would be permitted, but promised to build two hotels and an apartment block. Unwilling to give Onassis his guarantee, Rainier used his veto to cancel the entire hotel project, and publicly attacked SBM for their 'bad faith' on television, implicitly criticising Onassis. Rainier and Onassis remained at odds over the direction of the company for several years and in June 1966 Rainier approved a plan to create 600,000 new shares in SBM to be permanently held by the state, which reduced Onassis's stake from 52%