Mina Gryffen
From Tardis Wiki, the free Doctor Who reference
Mina Gryffen was the daughter of Alistair Gryffen and Eleanor Gryffen and the sister of Jacob Gryffen.
She went missing, along with her mother and brother, in a freak accident in 2040. She haunted her father's every step afterwards. (TV: The Fall of the House of Gryffen)
