Numbers 3:3-5

21st Century King James Version

³ These are the names of the sons of Aaron, the priests who were anointed, whom he consecrated to minister in the priest’s office.

⁴ And Nadab and Abihu died before the Lord when they offered strange fire before the Lord in the Wilderness of Sinai; and they had no children. And Eleazar and Ithamar ministered in the priest’s office in the sight of Aaron their father.

⁵ And the Lord spoke unto Moses, saying,