Herodias = "heroic"

 1) daughter of Aristobulus and granddaughter of Herod the Great. She
    was first married to Herod Philip I, son of Herod the Great, a man
    in private life; but afterwards formed an unlawful union with
    Herod Antipas, whom she induced not only to slay John the Baptist
    but also to make the journey to Rome which ruined him; at last she
    followed him to exile in Gaul.