Numbers 3:32-34

New American Standard Bible

³² and Eleazar the son of Aaron the priest was the head of the leaders of Levi, and he had the supervision of those who performed the duties of the sanctuary.

³³ Of Merari was the family of the Mahlites and the family of the Mushites; these were the families of Merari. ³⁴ Their numbered men in the counting of every male from a month old and upward: 6,200.