1 Chronicles 23:24

These [are] the sons of Levi according to the houses of their fathers; chiefs of their families according to their numbering, according to the number of their names, according to their polls, doing the works of service of the house of the Lord, from twenty years old and upward.

These were the sons of Levi after the house of their fathers; even the chief of the fathers, as they were counted by number of names by their polls, that did the work for the service of the house of the Lord, from the age of twenty years and upward.

These were the sons of Levi after their fathers’ houses, even the heads of the fathers’ houses of those who were counted individually, in the number of names by their polls, who did the work for the service of Yahweh’s house, from twenty years old and upward.