Millicent Vater
From Tardis Wiki, the free Doctor Who reference
Millicent Vater was the parent of John Francis Vater and grandparent of Splice Alison Vater. She was married to Agnes Vater.
Upon his death, John's AI reconstruction requested that his remains be returned to his parents, Agnes and Millicent, at the nearest convenience. (TV: Boom [+]Loading...["Boom (TV story)"])
