And take unto you Aaron your brother, and his sons with him, from among the children of Israel, that he may minister unto me in the priest's office, even Aaron, Nadab and Abihu, Eleazar and Ithamar, Aaron's sons.
And Nadab and Abihu, the sons of Aaron, took each of them his censer, and put fire in it, and put incense thereon, and offered unholy fire before the LORD, which he commanded them not.
And Moses spoke unto Aaron, and unto Eleazar and unto Ithamar, his sons that were left, Take the grain offering that remains of the offerings of the LORD made by fire, and eat it without leaven beside the altar: for it is most holy: