Numbers 3:4-6

New International Reader's Version

⁴ But Nadab and Abihu made an offering to the Lord by using fire that wasn’t allowed. So they died in front of him. That happened in the Desert of Sinai. They didn’t have any sons. Only Eleazar and Ithamar served as priests while their father Aaron was living.

⁵ The Lord spoke to Moses. He said, ⁶ “Bring the men of the tribe of Levi to Aaron the priest. They will help him.