Leviticus 16:1
Then Yahweh spoke to Moses after the death of Aaron's two sons, when they had come near {before} Yahweh and they died.
Leviticus 10:1-2
And Aaron's sons Nadab and Abihu each took his censer, and they put fire in them and placed incense on it; then they presented {before} Yahweh illegitimate fire, which he had not commanded them.
Treasury of Scripture Knowledge
Summary
And the LORD spake unto Moses after the death of the two sons of Aaron, when they offered before the LORD, and died;
General references
Bible References
General references
Leviticus 10:1
And Aaron's sons Nadab and Abihu each took his censer, and they put fire in them and placed incense on it; then they presented {before} Yahweh illegitimate fire, which he had not commanded them.