Who is Erma in The Glass Castle? What is Erma’s role in the story and what influence does she have on Jeannette Walls? In The Glass Castle, Erma is Jeannette’s grandmother and Rex’s mother. The family briefly lives with Erma when they first move to Welch. Read more about The Glass Castle, Erma, and the rest of the Walls family.
The Glass Castle: Erma is Abusive to the Walls Kids










