1 Chronicles 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.
These were the sons of Levi, after the house of their fathers,.... According to the three classes of them, as descending from the three sons of Levi:
even the chief of the fathers; or heads of families:
as they were counted by number of names by their polls; or according to their heads, one by one:
that did the work for the service of the house of the LORD; the particulars of which are in 1 Chronicles 23:28
from the age of twenty years, and upwards; they were first numbered thirty and upwards, 1 Chronicles 23:3, but David before his death ordered they should be numbered from twenty and upwards, 1 Chronicles 23:27, because the Israelites being increased, there would be more work for the priests in the temple, which would require the assistance of more Levites. The reasons follow.