And the sons of Merari by their families; Mahli, and Mushi. These are the families of the Levites according to the house of their fathers.

The families of Mahli and Mushi were descendants of Merari. As families of Merari,

These were the families of Levi: The family of the descendants of Libni, the family of the descendants of Hebron, the family of the descendants of Mahli, the family of the descendants of Musha, and the family of the descendants of Korah.