All those that were numbered of the Levites, whom Moses and Aaron and the leaders of Israel numbered, by their families, and by the house of their fathers,
And to the priests enrolled by genealogy according to their fathers’ house, and the Levites from twenty years old and upward, in their work by their divisions;
These are those that were numbered 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 upward even unto fifty years old, every one that came to do the service of the ministry, and the service of the burden in the tabernacle of meeting,