These are the ones who 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 above, even to fifty years old, everyone who came to do the work of service and the work of bearing burdens in the tabernacle of meeting—
and to the priests who were written in the genealogy according to their father’s house, and to the Levites from twenty years old and up according to their work, by their divisions,