NUMBERS 3

THE SONS OF LEVI, THE LEVITES 

The sons of Aaron are listed as Nadab, Abihu, Eleazar, and Ithamar. Nadab and Abihu died from making an unfit sacrifice in Leviticus 10. Eleazar and Ithamar are the remaining sons of Aaron, and they are appointed as leaders of the tabernacle. 

The sons of Levi are listed as Gershon, Kohate, and Merari.