Of Merari was the family of the Mahlites, and the family of the Mushites: these are the families of Merari.
Numbers 3:20
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.
1 Chronicles 6:19
The sons of Merari; Mahli, and Mushi. And these are the families of the Levites according to their fathers.
1 Chronicles 23:21
The sons of Merari; Mahli, and Mushi. The sons of Mahli; Eleazar, and Kish.