Numbers 3:20
And the sons of Merari by their clans were Mahli and Mushi. These were the clans of the Levites, according to their families.
Berean Standard Bible
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 sons of Merari by their families: Mahli and Mushi. These are the families of the Levites according to their fathers’ houses.