Numbers 4:21-23

New King James Version

Duties of the Sons of Gershon

²¹ Then the Lord spoke to Moses, saying: ²² “Also take a census of the sons of ^(A)Gershon, by their fathers’ house, by their families. ^23 (B)From thirty years old and above, even to fifty years old, you shall number them, all who enter to perform the service, to do the work in the tabernacle of meeting.