Character:Mrs. Riddle

From UnknowableWiki

Mrs. Riddle was the mother of Tom Riddle, Sr., and grandmother of Lord Voldemort. She was murdered along with her husband and son by their teenage grandson in 1943; the blame fell on the family's gardener, Frank Bryce (GF1).

In the Harry Potter and the Goblet of Fire movie, her epitaph gave her first name as Mary and her bith date as 1883.