Numbers 4:27-29

Complete Jewish Bible

²⁷ Aharon and his sons are to supervise all the work of the Gershon clan in transporting loads and serving, and to assign them who is to carry what. ²⁸ This is how the Gershon families are to serve in the tent of meeting, and they are to be under the direction of Itamar the son of Aharon the cohen.

²⁹ “As for the descendants of M’rari, take a census by clans and families