18. Each son was the leader of several family groups. The Gershon family groups were Libni and Shimei.
19. The Kohath family groups were Amram, Izhar, Hebron, and Uzziel.
20. The Merari family groups were Mahli and Mushi. These are the families that belonged to Levi’s family group.
21. The families of Libni and Shimei belonged to the family of Gershon. They were the Gershonite family groups.