This was the number of the families of the Kohathites, all who served in the tent of meeting, whom Moses and Aaron numbered according to the commandment of the Lord by Moses.
Of Kohath were the family of the Amramites, and the family of the Izharites, and the family of the Hebronites, and the family of the Uzzielites; these are the families of the Kohathites.
from thirty years old up to fifty years old, every one that could enter to do the work of service and the work of bearing burdens in the tent of meeting,
According to the commandment of the Lord through Moses they were appointed, each to his task of serving or carrying; thus they were numbered by him, as the Lord commanded Moses.