Numbers 4:3 New World Translation of the Holy Scriptures—With References 3 from thirty* years old+ upward to fifty years old,+ all those going into the service group*+ to do the work in the tent of meeting. Numbers 8:11 New World Translation of the Holy Scriptures—With References 11 And Aaron must cause the Levites to move to and fro before Jehovah as a wave+ offering from the sons of Israel, and they must serve for carrying on the service of Jehovah.+
3 from thirty* years old+ upward to fifty years old,+ all those going into the service group*+ to do the work in the tent of meeting.
11 And Aaron must cause the Levites to move to and fro before Jehovah as a wave+ offering from the sons of Israel, and they must serve for carrying on the service of Jehovah.+