Tina Onassis Niarchos

Athina Maria "Tina" Onassis Niarchos (; , ; 19 March 1929 – 10 October 1974) was an English-born Greek-French socialite and shipping heiress, the second daughter of the Greek shipping magnate Stavros Livanos and Arietta Zafiraki. She was known best as the first wife of Aristotle Onassis, but she later married her older sister Eugenia's widower, Stavros Niarchos. She was also the elder sister of George Stavros Livanos. Marriages and family She was married three times. Her husbands were: Aristotle Onassis (28 December 1946 – 1960); with him she had two children, Alexander Onassis (1948–1973) and Christina Onassis (1950–1988). She divorced him upon her discovering that he was having an affair with the opera singer Maria Callas. John Spencer-Churchill, Marquess of Blandford (23 October 1961 – March 1971), later 11th Duke of Marlborough. Stavros Niarchos (21 October 1971 – 1974), her sister Eugenia's widower. After her divorce from Aristotle Onassis, she resumed using her maiden name, Livanos, until her marriage to Spencer-Churchill. Her son with Onassis, Alexander Onassis, died at the age of 24 in January 1973, as a result of injuries sustained during an airplane crash in Athens.