|The Master's daughter|
|Place of origin:||Gallifrey|
|First mentioned in:||The Witch's Familiar|
At one point in his life, the Master may have had a daughter.
In her Missy incarnation, the Master began referring to her daughter and the day the Doctor gave the Master a dark star alloy brooch, but before she could elaborate, Missy was interrupted by an incoming Dalek. (TV: The Witch's Familiar)