1 Chronicles 6:3 also lists Aaron's sons, confirming the identity of the two who died and the two who served.

Exodus 24:1 names Nadab and Abihu, who later died without children as this verse notes — a direct background.

Exodus 24:1 provides the earlier context of Nadab and Abihu's role before their death, linking to this verse.

Leviticus 10:2 records Nadab and Abihu's death by fire from the Lord, the very event referenced here.

Leviticus 10:12 shows Eleazar and Ithamar as the surviving sons receiving instructions, confirming their priestly role after the tragedy.

Numbers 3:4 repeats this same detail — Nadab and Abihu died childless, so Eleazar and Ithamar served as priests.

Numbers 18:7 gives the priestly office as a gift to Aaron's sons, the same office Eleazar and Ithamar inherited after their brothers died.

Numbers 26:61 mentions their death for offering strange fire, providing the reason they died without children.

Exodus 6:23 lists Aaron's four sons, including Nadab and Abihu who died, and Eleazar and Ithamar who survived.

Exodus 29:9 establishes the perpetual priesthood for Aaron's sons, the office Eleazar and Ithamar later filled after their brothers' death.