Exodus 6:16-25

16These are the names of the sons of Levi according to their generations: Gershon, Kohath, and Merari, the years of the life of Levi being 137 years.

17The sons of Gershon: Libni and Shimei, by their clans.

18The sons of Kohath: Amram, Izhar, Hebron, and Uzziel, the years of the life of Kohath being 133 years.

19The sons of Merari: Mahli and Mushi. These are the clans of the Levites according to their generations.

20Amram took as his wife Jochebed his father's sister, and she bore him Aaron and Moses, the years of the life of Amram being 137 years.

21The sons of Izhar: Korah, Nepheg, and Zichri.

22The sons of Uzziel: Mishael, Elzaphan, and Sithri.

23Aaron took as his wife Elisheba, the daughter of Amminadab and the sister of Nahshon, and she bore him Nadab, Abihu, Eleazar, and Ithamar.

24The sons of Korah: Assir, Elkanah, and Abiasaph; these are the clans of the Korahites.

25Eleazar, Aaron's son, took as his wife one of the daughters of Putiel, and she bore him Phinehas. These are the heads of the fathers' houses of the Levites by their clans.