Exodus 6:21-24

6:21 The sons of Izhar were Korah, Nepheg, and Zikri.

6:22 The sons of Uzziel were Mishael, Elzaphan, and Sithri.

6:23 Aaron married Elisheba, the daughter of Amminadab and sister of Nahshon, and she bore him Nadab and Abihu, Eleazar and Ithamar.

6:24 The sons of Korah were Assir, Elkanah, and Abiasaph. These were the Korahite clans.