Nehemiah 8:13

8:13 On the second day of the month the family leaders met with Ezra the scribe, together with all the people, the priests, and the Levites, to consider the words of the law.

Nehemiah 12:22-23

12:22 As for the Levites, in the days of Eliashib, Joiada, Johanan and Jaddua the heads of families were recorded, as were the priests during the reign of Darius the Persian. 12:23 The descendants of Levi were recorded in the Book of the Chronicles as heads of families up to the days of Johanan son of Eliashib.