Numbers 3:33 Midrash

לִמְרָרִ֕י מִשְׁפַּ֙חַת֙ הַמַּחְלִ֔י וּמִשְׁפַּ֖חַת הַמּוּשִׁ֑י אֵ֥לֶּה הֵ֖ם מִשְׁפְּחֹ֥ת מְרָרִֽי׃

Of Merari was the family of the Mahlites, and the family of the Mushites; these are the families of Merari.

Read midrashic interpretation of Numbers 3:33: and classical rabbinic exegesis.