Herodias means in the bible: Sister to Herod Agrippa, married to Herod Philip by whom she had Salome Matt. 14:6. To live with Herod Antipas, her step-uncle she eloped. John the Baptist was executed for his repudiation of this crime. 14:8-11, Mark 6:24-24-28; Luke 3:39.
(in Bible Dictionary)
