Flavius Josephus

 

Josephus: Jewish antiquities (book XVIII, chapter 5, 4)

Herodias, [...], was married to Herod, the son of Herod the Great, who was born of Mariamne, the daughter of Simon the high priest, who had a daughter, Salome; after whose birth Herodias took upon her to confound the laws of our country, and divorced herself from her husband while he was alive, and was married to Herod, her husband's brother by the father's side, he was tetrarch of Galilee; but her daughter Salome was married to Philip, the son of Herod, and tetrarch of Trachonitis; and as he died childless, Aristobulus, the son of Herod, the brother of Agrippa, married her; they had three sons, Herod, Agrippa, and Aristobulus.