1 Chronicles 9:34

9:34 These were the family leaders of the Levites, as listed in their genealogical records. They lived in Jerusalem.

1 Chronicles 24:31

24:31 Just like their relatives, the descendants of Aaron, they also cast lots before King David, Zadok, Ahimelech, the leaders of families, the priests, and the Levites. The families of the oldest son cast lots along with the those of the youngest. ¹ 

[24:31]  ¹ tn Heb “the fathers [i.e., families] of the head [i.e., oldest] just like his youngest brother.”