Numbers 4:22-24

New American Standard Bible

²² “Take a ^[a]census of the sons of Gershon ^[b]also, by their fathers’ households, by their families; ²³ from ^(A)thirty years old and upward to fifty years old you shall ^[c]count them: all who can enter to perform service, to do the work in the tent of meeting. ²⁴ This is the service of the families of the Gershonites, in serving and in carrying: