Numbers 3:10 And thou shalt appoint Aaron and his sons, and they shall wait on their priest’s office: and the stranger that cometh nigh shall be put to death. 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

1 Chronicles 23:24 These were the sons of Levi after the house of their fathers; even the chief of the fathers, as they were counted by number of names by their polls, that did the work for the service of the house of the Lord, from the age of twenty years and upward. MC VC

1 Chronicles 23:27 For by the last words of David the Levites were numbered from twenty years old and above: MC VC

2 Chronicles 31:17 Both to the genealogy of the priests by the house of their fathers, and the Levites from twenty years old and upward, in their charges by their courses; MC VC