Numbers 8:23~26
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
Numbers 8:26 But shall minister with their brethren in the tabernacle of the congregation, to keep the charge, and shall do no service. Thus shalt thou do unto the Levites touching their charge. 10 I MC VC
1 Chronicles 23:24, 27
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
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
Ezra 3:8
Ezra 3:8 Now in the second year of their coming unto the house of God at Jerusalem, in the second month, began Zerubbabel the son of Shealtiel, and Jeshua the son of Jozadak, and the remnant of their brethren the priests and the Levites, and all they that were come out of the captivity unto Jerusalem; and appointed the Levites, from twenty years old and upward, to set forward the work of the house of the Lord. MC VC
Luke 3:23
Luke 3:23 And Jesus himself began to be about thirty years of age, being (as was supposed) the son of Joseph, which was the son of Heli, MC VC