Cross reference
Numbers 3:2
2 These are the names of the sons of Aaron: Nadab the oldest, and Abihu, Eleazar, and Ithamar.
Exodus 6:23
23 And Aaron took as his wife Elisheba, the daughter of Amminadab, the sister of Nahshon; and she gave birth to Nadab and Abihu, Eleazar and Ithamar.
Numbers 26:60
60 Aaron's sons were Nadab and Abihu, Eleazar and Ithamar.
Exodus 28:1
1 Now let Aaron your brother, and his sons with him, come near from among the children of Israel, so that they may be my priests, even Aaron, and Nadab, Abihu, Eleazar, and Ithamar, his sons.
1 Chronicles 6:3
3 And the sons of Amram: Aaron and Moses and Miriam. And the sons of Aaron: Nadab and Abihu, Eleazar and Ithamar.
1 Chronicles 24:1
1 Now the divisions into which the sons of Aaron were grouped were these: the sons of Aaron, Nadab and Abihu, Eleazar and Ithamar.