“Bring Aaron your brother, and his sons with him, near to you from among the children of Israel, that he may minister to me in the priest’s office: Aaron, with Nadab, Abihu, Eleazar, and Ithamar, Aaron’s sons.
Nadab and Abihu, the sons of Aaron, each took his censer, and put fire in it, and laid incense on it, and offered strange fire before YHWH, which he had not commanded them.
Moses spoke to Aaron and his remaining sons, Eleazar and Ithamar, “Y’all are to take the grain offering that is left over from the burnt offerings to YHWH, and y’all are eat it without yeast beside the altar, for it is most holy.