Numbers 4:23

4:23 You must number them from thirty years old and upward to fifty years old, all who enter the company to do the work of the tent of meeting.

Numbers 4:30

4:30 You must number them from thirty years old and upward to fifty years old, all who enter the company to do the work of the tent of meeting.

Numbers 4:47

4:47 from thirty years old and upward to fifty years old, everyone who entered to do the work of service and the work of carrying relating to the tent of meeting –