1 Chronicles 23:24

23:24 These were the sons of Levi after their fathers' houses, even the heads of the fathers' [houses] of those of those who were counted, in the number of names by their polls, who did the work for the service of the house of Yahweh, from twenty years old and upward.
-World English Bible

Other Translation

23:24 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.
-King James Version