1 Chronicles 24:2
“But Nadab and Abihu died before their father, and had no children: therefore Eleazar and Ithamar executed the priest’s office.”
Now these are the divisions of the sons of Aaron. The sons of Aaron; Nadab, and Abihu, Eleazar, and Ithamar.
But Nadab and Abihu died before their father, and had no children: therefore Eleazar and Ithamar executed the priest’s office.
And David distributed them, both Zadok of the sons of Eleazar, and Ahimelech of the sons of Ithamar, according to their offices in their service.
And there were more chief men found of the sons of Eleazar than of the sons of Ithamar; and thus were they divided. Among the sons of Eleazar there were sixteen chief men of the house of their fathers, and eight among the sons of Ithamar according to the house of their fathers.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“And there went out fire from the Lord, and devoured them, and they died before the Lord.”
“And Moses spake unto Aaron, and unto Eleazar and unto Ithamar, his sons that were left, Take the meat offering that remaineth of the offerings of the Lord made by fire, and eat it without leaven beside the altar: for it is most holy:”
“And thou shalt gird them with girdles, Aaron and his sons, and put the bonnets on them: and the priest’s office shall be theirs for a perpetual statute: and thou shalt consecrate Aaron and his sons.”
“And Eleazar the priest took the brasen censers, wherewith they that were burnt had offered; and they were made broad plates for a covering of the altar:”
“And he said unto Moses, Come up unto the Lord, thou, and Aaron, Nadab, and Abihu, and seventy of the elders of Israel; and worship ye afar off.”