Numbers 3:4
And Nadab and Abihu died before the Yahuah, when they offered strange fire before the Yahuah, 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.
ā The Restored Word Bible
Context
2 And these the names of the sons of Aaron; Nadab the firstborn, and Abihu, Eleazar, and Ithamar.
3 These the names of the sons of Aaron, the priests which were anointed, whom he consecrated to minister in the priest's office.
4 And Nadab and Abihu died before the Yahuah, when they offered strange fire before the Yahuah, 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 Yahuah spake unto Moses, saying,
6 Bring the tribe of Levi near, and present them before Aaron the priest, that they may minister unto him.