Numbers 4:35 DBY

³³  This is the service of the families of the sons of Merari, according to all their service in the tent of meeting, under the hand of Ithamar the son of Aaron the priest.

³⁴  And Moses and Aaron and the princes of the assembly numbered the sons of the Kohathites after their families, and according to their fathers' houses,

³⁵  from thirty years old and upward even to fifty years old, every one that entered into the labour, for service in the tent of meeting.

³⁶  And those that were numbered of them according to their families were two thousand seven hundred and fifty.

³⁷  These are they that were numbered of the families of the Kohathites, every one that served in the tent of meeting, whom Moses and Aaron numbered according to the commandment of Jehovah through Moses.