Numbers 4:45-47

American Standard Version

⁴⁵ These are they that were numbered of the families of the sons of Merari, whom Moses and Aaron numbered according to the commandment of Jehovah by Moses.

⁴⁶ All those that were numbered of the Levites, whom Moses and Aaron and the princes of Israel numbered, by their families, and by their fathers’ houses, ⁴⁷ from thirty years old and upward even unto fifty years old, every one that entered in to do the work of service, and the work of bearing burdens in the tent of meeting,