Verse 16
Such as set their hearts to seek the Lord - All the truly pious joined him out of every tribe, and the whole tribe of Levi, being deprived of their functions, joined him also. Thus he had Judah, Benjamin, and Levi, and probably a part of Simeon; for he had Etam, which was in that tribe, and the truly religious out of all the other tribes, for they could not bear Jeroboam's idolatry.