Numbers 3:19-21

Revised Standard Version

¹⁹ And the sons of Kohath by their families: Amram, Izhar, Hebron, and Uz′ziel. ²⁰ And the sons of Merar′i by their families: Mahli and Mushi. These are the families of the Levites, by their fathers’ houses.

²¹ Of Gershon were the family of the Libnites and the family of the Shim′e-ites; these were the families of the Gershonites.