Numbers 3:20-22

New American Standard Bible

²⁰ and the sons of Merari by their families: Mahli and Mushi. These are the families of the Levites according to their fathers’ households.

²¹ Of Gershon was the family of the Libnites and the family of the Shimeites; these were the families of the Gershonites. ²² Their numbered men, in the counting of every male from a month old and upward, their numbered men were 7,500.