Mary Elizabeth Cattermole is the wife of Reg Cattermole and is the mother of Maisie, Ellie, and Alfred. Ron impersonates Reg Cattermole using Polyjuice Potion, who works in Magical Maintenance, when Ron, Harry and Hermione break into the Ministry of Magic. On the day the trio break into the Ministry under false identities, Mary Cattermole is on trial due to the fact she is muggle-born. As Voldermort now has control over the Ministry, he has declared that muggle-borns have stolen their wands from a pure-blood or half-blood witch or wizard and must show they have magical ancestry or face Azkaban. The Muggle-Born Registration Comission, lead by Umbridge and Yaxley questions Mary Cattermole. First about her wand which is made from cherry, is 8