Hermione Jean Granger (born September 19, 1979) is the daughter of Muggles Mr. and Mrs. Granger who were both dentists in the Muggle London, and the tritagonist of the Harry Potter franchise. She learned, at the age of eleven, that she was a witch and had been accepted into Hogwarts School of Witchcraft and Wizardry. Hermione began attending the school on 1 September 1991, when she was eleven, almost twelve, and was sorted into Gryffindor House.