Are there three Erinyes or furies in Greek mythology?

In Greek mythology, there are typically three Erinyes, also known as the Furies. Their names are Alecto, Megaera, and Tisiphone. They are deities of vengeance who pursue wrongdoers, particularly those who have committed familial crimes, such as murder or betrayal. The Erinyes serve to ensure justice and balance within the moral order of the universe.