Exodus 6:23; Exodus 6:25; Exodus 28:1

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

25 Aaron's son Eleazar married one of the daughters of Putiel, and she bore him Phinehas. These are the heads of the fathers' households of the Levites according to their families.

1 "Then bring near to yourself Aaron your brother, and his sons with him, from among the sons of Israel, to minister as priest to Me-Aaron, Nadab and Abihu, Eleazar and Ithamar, Aaron's sons.