Numbers 3:38-40

Common English Bible

³⁸ Those camping in front of the dwelling eastward (that is, before the meeting tent on the east side) were Moses, Aaron, and his sons, who performed the duties of the sanctuary as service for the Israelites. Anyone else who approached would be put to death. ³⁹ The total enrollment of the Levites, all the males over one month old whom Moses and Aaron enrolled by orders from the Lord, according to their clans, was 22,000.

Levites rescue the oldest male Israelites

⁴⁰ The Lord said to Moses: Enroll all the oldest males of the Israelites over one month of age and record their names.