1 Chronicles 24:2

And Nadab will die, and Abihu, before their father; and sons were not to them: and Eleazar and Ithamar will be priests.

Leviticus 10:2

And fire will come forth from before Jehovah, and will consume them, and they will die before Jehovah.

Numbers 3:4

And Nadab and Abihu will die before Jehovah in their bringing strange fire before Jehovah, in the desert of Sinai: and there were no sons to them: and Eleazar will be priest, and Ithamar, before Aaron their father.

Numbers 26:61

And Nadab will die, and Abihu, in their bringing near strange fire before Jehovah.

Exodus 24:1

And he said to Moses, Come up to Jehovah, thou, and Aaron, Nadab, and Abihu, and seventy from the old men of Israel; and worship from far off.

Exodus 24:9

And Moses will go up, and Aaron, Nadab, and Abihu, and seventy from the old men of Israel

Exodus 29:9

And gird them with girdles, Aaron and his sons, and bind to them turbans; and the priesthood shall be to them for a law forever: and fill the hand of Aaron and the hand of his sons.

Leviticus 10:12

And Moses will speak to Aaron, and to Eleazar, and to Ithamar, his sons being left, Take ye the gift remaining from the sacrifices of Jehovah, and eat it unleavened by the altar: for it is holy of holies.

Numbers 16:39-40

And Eleazar the priest will take the brazen censers, which they being burnt brought near; and they shall beat them out a covering for the altar,

Numbers 18:7

And thou and thy sons with thee shall watch your priesthood for all the word of the altar, and to within the vail; and ye served: the services a gift I will give your priesthood; and the stranger coming near shall die.

Treasury of Scripture Knowledge

Summary

But Nadab and Abihu died before their father, and had no children: therefore Eleazar and Ithamar executed the priest's office.

General references

Bible References

Died

Leviticus 10:2
And fire will come forth from before Jehovah, and will consume them, and they will die before Jehovah.
Numbers 3:4
And Nadab and Abihu will die before Jehovah in their bringing strange fire before Jehovah, in the desert of Sinai: and there were no sons to them: and Eleazar will be priest, and Ithamar, before Aaron their father.
Numbers 26:61
And Nadab will die, and Abihu, in their bringing near strange fire before Jehovah.

General references

Numbers 26:61
And Nadab will die, and Abihu, in their bringing near strange fire before Jehovah.