Mina Gryffen
From Tardis Wiki, the free Doctor Who reference
Mina Gryffen was the daughter of Alistair Gryffen and Eleanor Gryffen and sister of Jacob Gryffen.
Biography
Mina went missing, along with her mother and son, in a freak accident in 2040 and has haunted her father's every step ever since. (K9TV: The Fall of the House of Gryffen)