According to the Toronto Sun, Vivian Murrell died on New Years Day. She was the mother of Tania Marie Murrell, who disappeared from Edmonton, Alberta at the age of six in 1983. Tania was never found and there were never any strong leads regarding her disappearance.
Vivian Murrell was only 55 years old. Her death was unexpected and they’re still awaiting the autopsy results, though it seems to have been natural causes. Tania’s father, Jack, died in 2005.
There remain two siblings. This article says a sister, Elysia, lives in Ontario and a brother, John, “has spent his life in and out of jail.”