1 Chronicles 15:4
And David gathered together the sons of Aaron, and the Levites:
Exodus 6:16-22
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-seven years.
Numbers 3:4
And Nadab and Abihu died before LORD when they offered strange fire before LORD in the wilderness of Sinai, and they had no sons. And Eleazar and Ithamar ministered in the priest's office in the presence of Aaron their father.
1 Chronicles 6:16-30
The sons of Levi: Gershom, Kohath, and Merari.
1 Chronicles 6:49-50
But Aaron and his sons offered upon the altar of burnt-offering, and upon the altar of incense, for all the work of the most holy place, and to make atonement for Israel, according to all that Moses the servant of God had commanded
1 Chronicles 12:26-28
Of the sons of Levi four thousand and six hundred.