Priscilla Morrill

Miniature Dwyer is named after her mother, who was making miniature doll houses when Minnie was born. Minnie, too, has built doll houses for years, and when she learns that she is terminally ill, she and her husband Teddy begin planning their joint suicide. She makes sure that her dolls are placed with people who will appreciate and cherish them. (imdb)

After learning that none of the children will be home for Christmas, Jim and Margaret decide to sell their house.