Geoff Mitchell

Geoff Mitchell was the father of Adam Mitchell. His wife Sandra Mitchell and son outlived him as he died some time before Adam started travelling with the Ninth Doctor. (TV: The Long Game, COMIC: Prisoners of Time)

While one source suggested that the family lived and remained in Milton Keynes, (PROSE: Dalek) another suggested that they had moved to Manchester by the time Adam enrolled with GeoComTex. (PROSE: The Time Travellers' Almanac)