Numbers 26:61

New Living Translation

But Nadab and Abihu died when they burned before the Lord the wrong kind of fire, different than he had commanded.

Cross References

Exodus 6:23

Aaron married Elisheba, the daughter of Amminadab and sister of Nahshon, and she gave birth to his sons, Nadab, Abihu, Eleazar, and Ithamar.

Numbers 3:4

But Nadab and Abihu died in the Lord’s presence in the wilderness of Sinai when they burned before the Lord the wrong kind of fire, different than he had commanded. Since they had no sons, this left only Eleazar and Ithamar to serve as priests with their father, Aaron.