Ephialtes of Trachis
Ephialtes was the son of Eurydemus of Malis. He betrayed his homeland, in hope of receiving some kind of reward from the Persians, by showing the army of Xerxes a path around the allied Greek position at the pass of Thermopylae, which helped them... Wikipedia
Born: Trachis, Greece
Parents: Eurydemus of Malis