Numbers 4:47 From thirty years old and upward even unto fifty years old, every one that came to do the service of the ministry, and the service of the burden in the tabernacle of the congregation. 10 I MC VC

Numbers 8:23 And the Lord spake unto Moses, saying, 10 I MC VC

Numbers 8:24 This is it that belongeth unto the Levites: from twenty and five years old and upward they shall go in to wait upon the service of the tabernacle of the congregation: 10 I MC VC

Numbers 8:25 And from the age of fifty years they shall cease waiting upon the service thereof, and shall serve no more: 10 I MC VC