Numbers 4:2-4

Amplified Bible, Classic Edition

² Take a census of the Kohathite division among the sons of Levi, by their families, by their fathers’ houses,

³ From thirty years old and up to fifty years old, all who can enter the service to do the work in the Tent of Meeting.

⁴ This shall be the responsibility of the sons of Kohath in the Tent of Meeting: the most holy things.