Numbers 26:61

The English Standar Version

But Nadab and Abihu died when they offered unauthorized fire before the LORD.

Cross References

Exodus 6:23

Aaron took as his wife Elisheba, the daughter of Amminadab and the sister of Nahshon, and she bore him Nadab, Abihu, Eleazar, and Ithamar.

Numbers 3:4

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.