The former film and TV star died on Monday, March 31 of Alzheimer's Sian Barbara Allen, the beloved star of The Waltons, has died. She was 78. The actress died of Alzheimer's in Chapel Hill, N.C., on ...

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 ...