At the appointment of Aaron and his sons shall be all the service of the sons of the Gershonites, in all their burdens, and in all their service: and ye shall appoint unto them in charge all their burdens.
Berean Study Bible (BSB) - Numbers 4:27 >All the service of the Gershonites—all their transport duties and other work—is to be done at the direction of Aaron and his sons; you are to assign to them all that they are responsible to carry.