The Antiquities of the Jews 18.5.4
The Antiquities of the Jews 18.5.4
“But Herodias…was married to Herod [Philip], the son of Herod the Great…who had a daughter, Salome; after whose birth Herodias took upon her to confound the laws of our country, and divorce herself from her husband while he was alive, and was married to Herod [Antipas], her husband’s brother by the father’s side”