Numbers 4:22-24

New King James Version

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. ²⁴ This is the ^(C)service of the families of the Gershonites, in serving and carrying: