Cleopatra was queen of Egypt and the consort of Mark Antony.
References
- The Doctor claimed to have learned swordsmanship from a captain in Cleopatra's bodyguard. (DW: The Masque of Mandragora)
- The Doctor and Peri watched Cleopatra's barge on the Nile. (MA: State of Change)
Mickey Smith implied that the Doctor had had some romantic history with Cleopatra for a while, and that he affectionately called her "Cleo." (DW: The Girl in the Fireplace)
On duplicate Earth known as Terra Nova, Cleopatra and Mark Antony won the battle of Actium and had three children. (MA: State of Change)