The sons of Kohath by their clans were Amram, Izhar, Hebron, and Uzziel.
The Levites being granted to Aaron to minister to him, they are here delivered to him by tale, that he might know what he had, and employ them accordingly. Observe, I. By what rule they were numbered: Every male from a month old and upward, Num 3:15.
Commenting on Numbers 3:14-39
And the sons of Kohath, by their families,.... Who was the second son of Levi: Amram, and Izehar, Hebron, and Uzziel; so in Exo 6:18; and from whom were named the family of the Amramites, to which Moses and Aaron belonged; and the families of the Izeharites, Hebronites, and Uzzielites, as they are called, Num 3:27.
Num 3:14-20 The muster of the Levites included all the males from a month old and upwards, because they were to be sanctified to Jehovah in the place of the first-born; and it was at the age of a month that the latter were either to be given up or redeemed (comp. Num 3:40 and Num 3:43 with Num 18:16).
Commenting on Numbers 3:14-20