The enrollment of the priests was according to their fathers’ houses; that of the Levites from twenty years old and upward was according to their offices, by their divisions.
Here we have, I. Two particular instances of the care of Hezekiah concerning church matters, having put them into good order, to keep them so. The tithes and other holy things being brought in, he provided, 1. That they should be carefully laid up, and not left exposed in loose heaps, liable to be wasted and embezzled.
Commenting on 2 Chronicles 31:11-21
And to the genealogy of all their little ones, their wives, and their sons, and their daughters, through all the congregation,.... These were all genealogized and registered, wives and children, sons and daughters, whether small or grown up; and a portion was distributed to them according to their number, greater or lesser: for in their set office they sanctified themselves in holiness; which is to...
From twenty years old - Moses had ordered that the Levites should not begin their labor till they were thirty years of age; but David changed this order, and obliged them to begin at twenty.