Luke 3:19

But Herod the tetrarch The incident which follows is here introduced by anticipation, that the subsequent narrative may not be disturbed. It should be compared with the fuller notice in Mark 6:17-20; Matthew 14:3-5. From these passages we learn that John had reproved Antipas for many crimes, and that Antipas was so convinced of his holiness and justice as habitually to listen to him with pleasure (ἡδέως αὐτοῦ ἤκουεν), and after paying earnest heed to him was greatly at a loss about him. We learn further that he resisted the constant urgency of Herodias to put him to death.

being reproved The reproof was of course based on Leviticus 18:16; Leviticus 20:21, and was perfectly uncompromising (Matthew 14:4). In this respect the dauntless courage of John, under circumstances of far greater peril, contrasts most favourably with the timid and disgraceful concessions of the Reformers in the matter of the marriage of Philip of Hesse.

his brother Philip's The two first words are omitted by some of the best uncials, and "Philip's" by nearly all of them. On thisHerod Philip who was not the tetrarch of that name see on Luke 3:1.