1 Chronicles 23
23:6
And David divided them into courses according to the sons of Levi: Gershon, Kohath, and Merari.
23:10
And the sons of Shimei: Jahath, Zina, and Jeush, and Beriah. These four were the sons of Shimei.
23:27
For by the last words of David the sons of Levi were numbered, from twenty years old and upward.