WalesOnline | Game of Thrones star Iwan Rheon voices thought-provoking dementia animation WalesOnline Iwan lost his grandmother, Beryl, to Alzheimer's disease and vascular dementia in 2008, aged 83. He said: “My grandmother was a real pillar of the community in Llanrug, North Wales. "She was an incredibly strong woman and wouldn't take any rubbish from ... |