So, we know they're dentists and that their aliases (after Hermione modifies their memories) are Wendell and Monica Wilkins.

But have their real names ever been divulged? If yes, what are they?


JKR deliberately kept Hermione's family in the background as much as she could, since they weren't very interesting to the story.

Does Hermione have any brothers or sisters?

No, she doesn’t. When I first made up Hermione I gave her a younger sister, but she was very hard to work in. The younger sister was not supposed to go to Hogwarts. She was supposed to remain a Muggle. It was a sideline that didn’t work very well and it did not have a big place in the story. I have deliberately kept Hermione’s family in the background. You see so much of Ron’s family so I thought that I would keep Hermione’s family, by contrast, quite ordinary. They are dentists, as you know. They are a bit bemused by their odd daughter but quite proud of her all the same.

– from interview with J K Rowling at the Edinburgh Book Festival, 2004-09

As such, it makes sense not to give them any names beyond their surname, since it was not considered an important detail.

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    So Mr. and Mrs. Granger it is! – Dylan Yaga May 16 '12 at 15:00
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    @DylanYaga Technically it's Dr. Granger for both of them. After all, they are both in possession of a Medical Doctorate, without which they wouldn't be allowed to practice dentistry. – G.Vegt May 16 '12 at 16:08
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    @G.Vegt Actually in the UK most dentists don't use the title Dr, and its not clear if they are allowed to. – Nick May 16 '12 at 17:15
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    @Nick Interesting, didn't know that. Thanks for the correction. – G.Vegt May 16 '12 at 17:18
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    Clearly there has to be some fanfiction out there depicting the little sister of Hermione Granger that never was - I can only imagine her being either really excited to have a magical sister, or else intensely jealous of her for being magical and not 'sharing it' with her little sis. – Zibbobz May 28 '14 at 14:35

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