|"Are you a wizard or not?"
The title of this article is conjectural. Although it is based on canonical information, the actual name is conjecture and may be supplanted at any time by additional information released from canonical sources. If this occurs, please move this page to the appropriate title.
Mrs Dursley was the wife of Dudley Dursley: the couple had two children. When her husband's cousin Harry Potter visited them with his family, their children would play while Dudley and Harry sat together quietly.
She is related to the Dursley family, and the Evans family, who are the maternal family of her mother-in-law, Petunia. She is related to the Potter family, due to her marriage to Dudley Dursley, whose cousin is Harry Potter, and is related to her own maternal and paternal family.
It is unknown as to whether she knows about her husband's cousin being part of the wizarding world.
- J. K. Rowling's Official Site (Indirectly mentioned only)