- Hermione Jean Granger: Hermione shows that her dentist’s parents want to prove how smart they were to choose this specific name. It is the name of the daughter of Troy queen Helen and Menelaus in Greek mythology. It is also the female form of the messenger god Hermes. Her middle name is actually “Jane”, but Rowling doesn’t want her and Dolores Umbridge to share a middle name. Rowling’s daughter’s middle name is also Jean. It means “God is gracious.” in Latin. Granger is a somewhat common English and French