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 US government. For this reason he became a target of the US government and in 1954, the FBI investigated Onassis for fraud against the U.S. government. He was charged with violating the citizenship provision of the shipping laws which require that all ships displaying the U.S. flag be owned by U.S. citizens. Onassis entered a guilty plea and paid $7 million. Between 1950 and 1956, Onassis had success whaling off the Peruvian coast. His first expedition made a net profit of US$4.5 million. That business ended when "The Norwegian Whaling Gazette" made accusations based on sailors' testimonials, such as one