1 Kings 13:11

An old prophet—and his sons came and told him— It appears from this, that these sons of the old prophet were present when Jeroboam stood at the altar, and therefore joined in that idolatrous worship, though their father did not: who, nevertheless, was too timorous to reprove them. There are various opinions concerning this prophet of Beth-el. Some will needs have him to have been a false prophet, highly in esteem with king Jeroboam, because he prophesied to him soft things, and such as would humour him in his wickedness. Others, however, have believed, that he was a true prophet of God, though a wicked one; not unlike the famous Balaam, who sacrificed every thing to his interest; whilst others say that he was a weak one, who thought that he might innocently employ an officious lie to bring the prophet of Judah back, who was under a prohibition indeed, but such a one as, in his opinion, related only to the house of Jeroboam, and such others as were of an idolatrous religion. See Joseph. Antiq. l. viii. c. 3.