Thayer's Greek Lexicon

 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.