From Kohath came the clans of the Amramites, the Izharites, the Hebronites, and the Uzzielites; these were the clans of the Kohathites.

Numbers 3:26
the curtains of the courtyard, the curtain for the entrance to the courtyard that surrounds the tabernacle and altar, and the cords--all the service for these items.

Numbers 3:28
The number of all the males a month old or more was 8,600. They were responsible for the duties of the sanctuary.

1 Chronicles 26:23
From the Amramites, the Izharites, the Hebronites, and the Uzzielites:

1 Chronicles 26:30
From the Hebronites, Hashabiah and his relatives, 1,700 capable men, had charge of the affairs of Israel west of the Jordan for all the work of the LORD and for the service of the king.

And of Kohath was the family of the Amramites, and the family of the Izeharites, and the family of the Hebronites, and the family of the Uzzielites: these are the families of the Kohathites.