King James Version
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.English Standard Version
But Nadab and Abihu died before the LORD when they offered unauthorized fire before the LORD in the wilderness of Sinai, and they had no children. So Eleazar and Ithamar served as priests in the lifetime of Aaron their father.New International Version
Nadab and Abihu, however, fell dead before the LORD when they made an offering with unauthorized fire before him in the Desert of Sinai. They had no sons; so only Eleazar and Ithamar served as priests during the lifetime of their father Aaron.