Daughter of
Geoffrey Keen and
Hazel Terry. Paternal granddaughter of
Malcolm Keen. Maternal granddaughter of
Mary Glynne and
Dennis Neilson-Terry. Maternal great-granddaughter of
Fred Terry (brother of
Ellen Terry) and
Julia Neilson. Maternal great-niece of
Phyllis Neilson-Terry. She also had a half-sister called Mary Keen.