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

"And you, bring near to you your brother Aaron and his sons with him from among the Israelites, so that they may minister as my priests -- Aaron, Nadab and Abihu, Eleazar and Ithamar, Aaron's sons.

This is the inventory of the tabernacle, the tabernacle of the testimony, which was counted by the order of Moses, being the work of the Levites under the direction of Ithamar, son of Aaron the priest.