Judith Cynthia Aline Keppel (born 18 August 1942)[2] is a British quiz show contestant.

Walter Arnold Crispian Keppel (1914–1996), DSC, and Aline Lucy (1918–2007), daughter of Brigadier-General John Harington, CB, CMG, of Chelmarsh Hall, Bridgnorth, Shropshire (son of Sir Richard Harington, 11th Baronet) and Lady Frances Aline, daughter of William Temple-Gore-Langton, 4th Earl Temple of Stowe.

Through her grandfather, her ancestors include Eleanor of Aquitaine and Henry II of England, who were the subjects of her one-million-pound question on Who Wants to Be a Millionaire?.

'"[9] There was speculation at the time that the win was leaked to the press so that ITV would draw ratings away from BBC One, which was showing the last episode of One Foot in the Grave in the same timeslot.

In 1964, Keppel married her first husband, Desmond Leon Corcoran, an art dealer with whom she had three children, Sibylla, Alexander, and Rosie,[11] but they divorced in 1980.