Numbers 3:4-6

EasyEnglish Bible

⁴ But Nadab and Abihu fell down and died in front of the Lord. That happened when they offered strange fire to the Lord in the Sinai desert.^[a] They had no children. So only Eleazar and Ithamar worked as priests while their father Aaron was alive.

The Levites help the priests

⁵ Then the Lord said to Moses, ⁶ ‘Bring the tribe of Levi to Aaron the priest. They must help him.