Hermione Jean Weasley (née Granger), born September 19, 1979, is a Muggle-born witch and the only child of Mr. and Mrs. Granger. She learned at the age of eleven that she was a witch and had been accepted into Hogwarts School of Witchcraft and Wizardry. She began attending the school on 1st September 1991, when she was eleven, almost twelve, and was sorted into Gryffindor House.