Athina Mary Livanos Onassis Spencer-Churchill Niarchos (Greek: Αθηνά (Τίνα) Λιβανού; 19 March 1929 – 10 October 1974) was the second daughter of the Greek shipping magnate Stavros Livanos and Arietta Zafirakis. She was best known as the first wife of Aristotle Onassis, but she later married her older sister Eugenia's widower, Stavros Niarchos. She was older sister to her parents' only son, George Stavros Livanos.
Laura Cavendish, Countess of Burlington (born 1972) was previously known as the model Laura Roundell, the daughter of City businessman Richard Roundell, deputy chairman of Christie's and his wife Anthea, both of Dorfold Hall, a Jacobean house in Cheshire. She was also a fashion editor at Harper's Bazaar.
Jemma Wellesley, Marchioness of Douro, née Kidd is an English marchioness by courtesy, make up artist and fashion model. She currently resides on the Stratfield Saye estate, Hampshire, with her husband and their three children.
Antonia, Princess of Waterloo, Duchess of Wellington, Duchess of Ciudad Rodrigo, OBE (born 28 April 1955), is a great-granddaughter of Wilhelm II, German Emperor and the wife of the current Duke of Wellington.
Kathleen Agnes Cavendish, Marchioness of Hartington (née Kennedy; February 20, 1920 – May 13, 1948) was an American socialite. She was the fourth child and second daughter of Joseph P. Kennedy, Sr. (1888–1969) and Rose Fitzgerald (1890–1995). She was a sister of future U.S. President John F. Kennedy (1917–1963) and wife of William Cavendish, Marquess of Hartington, a soldier and politician.
Charlotte Elizabeth Cavendish, 6th Baroness Clifford (27 October 1731 – 8 December 1754) was the daughter of Richard Boyle, 3rd Earl of Burlington and Lady Dorothy Savile. She was known as Marchioness of Hartington from 1748 until 1753.
Tracy Louise Somerset, Marchioness of Worcester, frequently referred to as Tracy Worcester (née Ward; born 22 December 1958, London) is a former British actress, currently an environmental activist.