Numbers 4:41-43

Holman Christian Standard Bible

⁴¹ These were the registered men of the Gershonite clans. At the Lord’s command Moses and Aaron registered everyone who could serve at the tent of meeting.

⁴² The men of the Merarite clans were registered by their clans and their ancestral houses, ⁴³ those from 30 years old to 50 years old, everyone who was qualified for work at the tent of meeting.