Numbers 3:32-34

New King James Version

³² And Eleazar the son of Aaron the priest was to be chief over the leaders of the Levites, with oversight of those who kept charge of the sanctuary.

³³ From Merari came the family of the Mahlites and the family of the Mushites; these were the families of Merari. ³⁴ And those who were numbered, according to the number of all the males from a month old and above, were six thousand two hundred.