1 Chronicles 23:12-13, 18-20

The sons of Kohath: Amram, Izhar, Hebron, and Uzziel, four. The sons of Amram: Aaron and Moses. Aaron was set apart to dedicate the most holy things, that he and his sons forever should make offerings before the LORD and minister to him and pronounce blessings in his name forever.

The sons of Izhar: Shelomith the chief. The sons of Hebron: Jeriah the chief, Amariah the second, Jahaziel the third, and Jekameam the fourth. The sons of Uzziel: Micah the chief and Isshiah the second.