1 Tawarikh 6:63

6:63 The clans of Merari’s descendants were allotted twelve cities within the territory of the tribes of Reuben, Gad, and Zebulun. ¹ 

1 Tawarikh 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. ² 

[6:63]  ¹ tn Heb “and to the sons of Merari by their clans from the tribe of Reuben, and from the tribe of Gad, and from the tribe of Zebulun by lot, twelve cities.”

[24:31]  ² tn Heb “the fathers [i.e., families] of the head [i.e., oldest] just like his youngest brother.”