Charlotte Sutton
From Tardis Wiki, the free Doctor Who reference
Charlotte Sutton was the mother of Charles and Manda Sutton.
In 1919, Madame Segovie held a seance at the Sutton house to contact the spirit of Charles for the grieving Charlotte. Bernice Summerfield attended the seance while investigating a number of children that had gone missing. (PROSE: Toy Soldiers)
