Exod 6:16-25

16The following are the names of the sons of Levi according to their genealogies: Gershon, Kohath, and Merari, and the length of Levi's life was one hundred thirty-seven years.17The sons of Gershon: Libni and Shimei, by their families.18The sons of Kohath: Amram, Izhar, Hebron, and Uzziel, and the length of Kohath's life was one hundred thirty-three years.19The sons of Merari: Mahli and Mushi. These are the families of the Levites according to their genealogies.20Amram married Jochebed his father's sister and she bore him Aaron and Moses, and the length of Amram's life was one hundred thirty-seven years.21The sons of Izhar: Korah, Nepheg, and Zichri.22The sons of Uzziel: Mishael, Elzaphan, and Sithri.23Aaron married Elisheba, daughter of Amminadab and sister of Nahshon, and she bore him Nadab, Abihu, Eleazar, and Ithamar.24The sons of Korah: Assir, Elkanah, and Abiasaph; these are the families of the Korahites.25Aaron's son Eleazar married one of the daughters of Putiel, and she bore him Phinehas. These are the heads of the ancestral houses of the Levites by their families.