Grandma Donna is Rosemary’s mother’s mother. It is implied that Donna is of a higher class background than Rosemary’s father’s parents; Rosemary notes that unlike Grandma Fredericka, Donna is a good cook and lives in a tastefully decorated house. Donna dislikes Rosemary’s father and wishes Rosemary’s mother had married someone else. She also comes to dislike Fern after Fern eats the last remaining photograph of Grandpa Dan.