Muriel Frost's mother

Whilst preparing to dive into a river in Middlesbrough to locate a crashed Nazi plane from WWII, Muriel Frost told the Seventh Doctor that "If i'm not up in an hour, tell my mum she can have the Datsun." (COMIC: Evening's Empire)

After the death of Muriel Frost after the Slitheen family used electrocution (TV: Aliens of London) to kill Frost, her Geneva EVA team, and the other alien experts gathered at 10 Downing Street on 28 June 2006 (PROSE: Number Ten) or on 6 March 2006, (TV: Aliens of London) Major Jenny Maguire had to inform the UK based families of their deaths. (PROSE: Number Ten)