Numbers 4:37 WEB

³⁵  from thirty years old and upward even to fifty years old, everyone who entered into the service, for work in the Tent of Meeting.

³⁶  Those who were numbered of them by their families were two thousand seven hundred fifty.

³⁷  These are those who were numbered of the families of the Kohathites, all who served in the Tent of Meeting, whom Moses and Aaron numbered according to the commandment of Yahweh by Moses.

³⁸  Those who were numbered of the sons of Gershon, their families, and by their fathers' houses,

³⁹  from thirty years old and upward even to fifty years old, everyone who entered into the service, for work in the Tent of Meeting,