Numbers 4:33-35

New Catholic Bible

³³ This is the service of the clan of the Merarites. All of their service in the tent of meeting will be under the direction of Ithamar, the son of Aaron, the priest.”

³⁴ Counting the Adult Levites. Moses and Aaron and the leaders of the assembly counted the Kohathites by family and by clan, ³⁵ those who were from thirty to fifty years old and who went in to minister in the service of the tent of meeting.