Bertha is a resident of Shere, England.
During the events of Anchoress (1993) played by Julie T. Wallace
Christine Carpenter, Meg Carpenter, Pauline Carpenter, Ragged Martin's Wife, Mary and Alice dig a hole in the field and pour milk and honey into it. Bertha sees them doing it and runs away. Later, William Carpenter tells the Priest, Daisy, Bertha, Alice, Mary, Priest's Boy and others that he saw Pauline consorting with a goat and at night she forces him to watch as she has sex with the Devil. The Priest tells the others that Pauline murders the unborn, which causes Daisy to leave. He then accuses Pauline of trying to push him into the river and calls her a witch. Bertha says that she saw Pauline curse the Bishop.