Numbers 3:27, 28, 32, 38
Numbers 3:27 NIV
To Kohath belonged the clans of the Amramites, Izharites, Hebronites and Uzzielites; these were the Kohathite clans.
Numbers 3:28 NIV
The number of all the males a month old or more was 8,600. The Kohathites were responsible for the care of the sanctuary.