1 Chronicles 15:4
David also assembled the descendants of Aaron, who were descendants of Levi,
Exodus 6:16-22
These are the names of Levi's sons according to their genealogies: Gershon, Kohath, and Merari. Levi lived 137 years.
Numbers 3:4
Nadab and Abihu died in the LORD's presence when they offered unauthorized fire before him in the Sinai wilderness. Since they didn't have their own children, Eleazar and Ithamar ministered as priests under the authority of Aaron their father.
1 Chronicles 6:16-30
Levi's descendants included Gershom, Kohath, and Merari.
1 Chronicles 6:49-50
Meanwhile, Aaron and his sons presented offerings on the altar of burnt offering and on the altar of incense, carrying out the work of the Most Holy Place, making atonement for Israel in accordance with everything that Moses the servant of God had commanded.
1 Chronicles 12:26-28
and the descendants of Levi numbered 4,600.