Numbers 3:19 DBY

¹⁷  And these are the sons of Levi by their names: Gershon, and Kohath, and Merari.

¹⁸  And these are the names of the sons of Gershon according to their families: Libni and Shimei.

¹⁹  And the sons of Kohath according to their families: Amram and Izhar, Hebron and Uzziel.

²⁰  And the sons of Merari according to their families: Mahli and Mushi. These are the families of the Levites according to their fathers' houses.

²¹  Of Gershon, the family of the Libnites, and the family of the Shimites: these are the families of the Gershonites.