Exodus 6:23-25

21st Century King James Version

²³ And Aaron took Elisheba, daughter of Amminadab, sister of Nahshon, for a wife; and she bore him Nadab and Abihu, Eleazar and Ithamar.

²⁴ And the sons of Korah: Assir and Elkanah and Abiasaph; these are the families of the Korahites.

²⁵ And Eleazar, Aaron’s son, took one of the daughters of Putiel for a wife; and she bore him Phinehas; these are the heads of the fathers of the Levites according to their families.