All those who were numbered of the Levites, whom Moses, Aaron, and the leaders of Israel numbered, by their families, and by the house of their fathers,
The registration of the priests was according to the house of their fathers and the Levites from twenty years and above, according to their duties and their divisions.
These were the ones listed of the families of the sons of Merari, whom Moses and Aaron numbered according to the word of the Lord by the hand of Moses.
from thirty years old and older to fifty years old, everyone who came to do the service of the ministry, and the service of the work in the tent of meeting,