and them that were reckoned by genealogy of the priests by their fathers' houses, and the Levites from twenty years old and upward, in their charges by their courses;
These were the sons of Levi after their fathers' houses, even the heads of the fathers' houses of those of them that were counted, in the number of names by their polls, who did the work for the service of the house of the LORD, from twenty years old and upward.
and them that were reckoned by genealogy of all their little ones, their wives, and their sons, and their daughters, through all the congregation: for in their set office they sanctified themselves in holiness:
And Hezekiah appointed the courses of the priests and the Levites after their courses, every man according to his service, both the priests and the Levites, for burnt offerings and for peace offerings, to minister, and to give thanks, and to praise in the gates of the camp of the LORD.
And these were they which went up from Tel-melah, Tel-harsha, Cherub, Addan, and Immer: but they could not shew their fathers' houses, and their seed, whether they were of Israel:
This is that which belongeth unto the Levites: from twenty and five years old and upward they shall go in to wait upon the service in the work of the tent of meeting: