These were the sons of Levi to the house of their fathers, the heads of the fathers, to their rosters, by number of names, by their heads, who did the work for the service of the house of Jehovah from the son of twenty years and over.
apart from their genealogy, to males from a son of three years and upward, to everyone who had gone into the house of Jehovah, the proportion of a day in its day, for their service in their duties, according to their divisions;
This is that which pertains to the Levites: from twenty-five years old and upward he shall go in to serve for service, and the works of the tabernacle of the congregation.