Numbers 3:20-22

New Revised Standard Version Catholic Edition

²⁰ The sons of Merari by their clans: Mahli and Mushi. These are the clans of the Levites, by their ancestral houses.

²¹ To Gershon belonged the clan of the Libnites and the clan of the Shimeites; these were the clans of the Gershonites. ²² Their enrollment, counting all the males from a month old and upward, was seven thousand five hundred.