Numbers 3:17 References

17 aThese then are the sons of Levi by their names: Gershon and Kohath and Merari.

a Exodus 6:16-22

Exodus 6

16 These are the names of athe sons of Levi according to their generations: Gershon and Kohath and Merari; and the length of Levi's life was one hundred and thirty-seven years.
17 aThe sons of Gershon: Libni and Shimei, according to their families.
18 aThe sons of Kohath: Amram and Izhar and Hebron and Uzziel; and the length of Kohath's life was one hundred and thirty-three years.
19 aThe sons of Merari: Mahli and Mushi. These are the families of the Levites according to their generations.
20 aAmram married his father's sister Jochebed, and she bore him Aaron and Moses; and the length of Amram's life was one hundred and thirty-seven years.
21 aThe sons of Izhar: Korah and Nepheg and Zichri.
22 aThe sons of Uzziel: Mishael and Elzaphan and Sithri.