Eustace O'Kane's wife

From Tardis Wiki, the free Doctor Who reference

Mrs O'Kane (d. 13 August, 1945) was wife of Eustace O'Kane. She lived at Hawthorne with her family. In 1945, Mrs O'Kane, her husband and two daughters were killed by her son Daniel. Jeremiah returned home to see the police investigating. (HOMEVID: The Zero Imperative)