Mark 6:18
upon which John told him, "it is not lawful for you to have your brother's wife."
Luke 3:19-20
but having reproved Herod the tetrarch upon account of Herodias, the wife of his brother Philip, and for all the mischiefs that Herod had done;
Treasury of Scripture Knowledge
Summary
Thus saith the LORD; Go down to the house of the king of Judah, and speak there this word,