Numbers 4:23-25

Revised Standard Version

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: ²⁵ they shall carry the curtains of the tabernacle, and the tent of meeting with its covering, and the covering of goatskin that is on top of it, and the screen for the door of the tent of meeting,