Exodus 6:23

6:23 Aaron married Elisheba, the daughter of Amminadab and sister of Nahshon, and she bore him Nadab and Abihu, Eleazar and Ithamar.

Exodus 28:1

The Clothing of the Priests

28:1 “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.

Leviticus 10:1-2

Nadab and Abihu

10:1 Then Aaron’s sons, Nadab and Abihu, each took his fire pan and put fire in it, set incense on it, and presented strange fire before the Lord, which he had not commanded them to do. 10:2 So fire went out from the presence of the Lord and consumed them so that they died before the Lord.

Leviticus 10:1

Nadab and Abihu

10:1 Then Aaron’s sons, Nadab and Abihu, each took his fire pan and put fire in it, set incense on it, and presented strange fire before the Lord, which he had not commanded them to do.

Leviticus 6:3

6:3 or has found something lost and denies it and swears falsely concerning any one of the things that someone might do to sin