Sian Barbara Allen, an actress best known for her work on The Waltons, has died. She was 78. Allen’s death was announced in her online obituary, which shared that she died of Alzheimer’s in Chapel Hill,

Sian Barbara Allen, the Golden Globe-nominated actress best known for her appearance on The Waltons, has died. Allen passed away in Chapel Hill, North Carolina on Monday after a battle with Alzheimer’s,

Sian Barbara Allen, known for The Waltons and You’ll Like My Mother, has passed away at 78. The late actress has died of Alzheimer's Disease in Chapel Hill, North Carolina, according to an obituary online.