1 Chronicles 23:24-27

Leeser(i) 24 These were the sons of Levi after their family divisions, even the chiefs of the families, as they were counted by numbering the names after their polls, that did the work for the service of the house of the Lord, from twenty years old and upward. 25 For David said, The Lord the God of Israel hath given rest unto his people, and he dwelleth in Jerusalem for evermore. 26 And also the Levites are no more bound to carry the tabernacle, and all its vessels for the service thereof. 27 Therefore by the last words of David were there numbered of the Levites those who were from twenty years old and above;