These were the names of the sons of Levi: Gershon, Kohath and Merari.
These were the names of the Gershonite clans: Libni and Shimei.
The Kohathite clans: Amram, Izhar, Hebron and Uzziel.
The Merarite clans: Mahli and Mushi. These were the Levite clans, according to their families.