TSK · Numbers 3:19

And these are the names of the sons of Levi according to their generations: Gershon, and Kohath, and Merari; and the years of the life of Levi were a hundred thirty and seven years.

And Amram took him Jochebed his father's sister to wife; and she bare him Aaron and Moses: and the years of the life of Amram were a hundred and thirty and seven years.

And the sons of Kohath were Amram, and Izhar, and Hebron, and Uzziel.

of the sons of Kohath, Uriel the chief, and his brethren a hundred and twenty;

So the Levites appointed Heman the son of Joel; and of his brethren, Asaph the son of Berechiah; and of the sons of Merari their brethren, Ethan the son of Kushaiah;

The sons of Izhar: Shelomith the chief.

For the courses of the doorkeepers: of the Korahites, Meshelemiah the son of Kore, of the sons of Asaph.

the family of the house of Levi apart, and their wives apart; the family of the Shimeites apart, and their wives apart;