Esther Drummond's mother

Esther Drummond's mother
Species:	Human
Place of origin:	Earth
Children:	Sarah Drummond, Esther Drummond
Grandchildren:	Alice Drummond, Melanie Drummond
First mentioned in:	The Categories of Life

Esther and Sarah Drummond's mother died in 2003. She was the grandmother of Sarah's daughters, Alice and Melanie. Esther mentioned her to Jack Harkness. (TV: The Categories of Life)