Numbers 4:22-24

Revised Standard Version

²² “Take a census of the sons of Gershon also, by their families and their fathers’ houses; ²³ from thirty years old up to fifty years old, you shall number them, all who can enter for service, to do the work in the tent of meeting. ²⁴ This is the service of the families of the Gershonites, in serving and bearing burdens: