(29) Herod the Tetrarch: his Marriage with Herodias and Murder of John the Baptist[1]
Now about this time a quarrel arose between Aretas king of Petra[2] and Herod on the following ground. Herod the Tetrarch married the daughter of Aretas and had now lived with her a long time. On the eve of a journey to Rome he lodged in the house of Herod, his half-brother on the father's side; the mother of this Herod was the daughter of Simon the high priest. There he fell in love with Herodias his brother's wife (she was the daughter of their brother Aristobulus and sister of Agrippa the Great[3]) and had the effrontery to propose marriage. She met his advances and a compact was made that she should leave her home and come to him on his return from Rome; it was part of the compact that he should divorce the daughter of Aretas. The agreement settled, he set sail for Rome. On his return, after discharging his commission in that city, his wife, who had got wind of the compact with Herodias, bade her husband, who was still unaware that she knew all, send her away to Machærus—on the frontier between the dominions of Aretas and Herod—without revealing her intentions. Herod, accordingly, let her go, not suspecting that the poor woman had any inkling of the plot. She, however, had long since sent
