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...
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.