Exodus 6:18
The descendants of Kohath included Amram, Izhar, Hebron, and Uzziel. (Kohath lived to be 133 years old.)

Numbers 3:18
The clans descended from Gershon were named after two of his descendants, Libni and Shimei.

Numbers 3:20
The clans descended from Merari were named after two of his descendants, Mahli and Mushi. These were the Levite clans, listed according to their family groups.

2 Chronicles 29:12
Then these Levites got right to work: From the clan of Kohath: Mahath son of Amasai and Joel son of Azariah. From the clan of Merari: Kish son of Abdi and Azariah son of Jehallelel. From the clan of Gershon: Joah son of Zimmah and Eden son of Joah.