Aaron was the father of Nadab, Abihu, Eleazar and Ithamar.
These are the names of Aaron’s sons: Nadab the first-born, Abihu, Eleazar and Ithamar.
They are to tend to all the implements of the Tent of Meeting and the service of Bnei-Yisrael while performing the service of the Tabernacle.
Aaron married Elisheba daughter of Amminadav, sister of Nahshon, and she bore him Nadab and Abihu, Eleazar and Ithamar.