And of Khat was the family of the Amramites, and the family of the Izeharites, and the family of the Hevronites, and the family of the Uzzielites: these are the families of the Khatites.
This is the service of the families of the sons of Mrari, according to all their service, in the tabernacle of the congregation, under the hand of Ithamar the son of Aharon the kohen.
From thirty years old and upward even unto fifty years old, every one that entereth into the service, for the work in the tabernacle of the congregation:
These were the sons of Levi after the house of their fathers; even the chief of the fathers, as they were counted by number of names by their polls, that did the work for the service of the house of YY , from the age of twenty years and upward.