Numbers 3:20

And the sons of Merari by their clans : Mahli and Mushi . These are the clans of the Levites , by their fathers ’ houses .

The Merarite clans: Mahli and Mushi. These were the Levite clans, according to their families.

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.