1 Chronicles Chapter 24, Verse 2

2: But Nadab and Abihu died before their father, and had no children: therefore Eleazar and Ithamar executed the priest's office.- edit KJV text
2: But Nadab and Abiu died before their father, and had no children: so Eleazar, and Ithamar did the office of the priesthood.— edit Douay text
2: And Nadab and Abiud died before their father, and they had no sons: so Eleazar and Ithamar the sons of Aaron ministered as priests.— edit LXX text