Exodus 6:21-23

American Standard Version

²¹ And the sons of Izhar: Korah, and Nepheg, and Zichri. ²² And the sons of Uzziel: Mishael, and Elzaphan, and Sithri. ²³ And Aaron took him Elisheba, the daughter of Amminadab, the sister of Nahshon, to wife; and she bare him Nadab and Abihu, Eleazar and Ithamar.