أَخْبَارِ ٱلْأَيَّامِ ٱلْأَوَّلُ 24:2

وَمَاتَ نَادَابُ وَأَبِيهُو قَبْلَ أَبِيهِمَا وَلَمْ يَكُنْ لَهُمَا بَنُونَ، فَكَهَنَ أَلِعَازَارُ وَإِيثَامَارُ.

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