as well as the priests who were enrolled genealogically according to their fathers’ households, and the Levites from twenty years old and upward, by their duties and their divisions.
These were the numbered men of the families of the sons of Merari, whom Moses and Aaron counted according to the commandment of the Lord through Moses.
from thirty years old and upward even to fifty years old, everyone who could enter to do the work of service and the work of carrying in the tent of meeting—