But Nadab and Abiu died before their father, and had no children: so Eleazar, and Ithamar did the office of the priesthood.

And Nadab and Abihu died before their father, and had no children; and Eleazar and Ithamar exercised the priesthood.

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

and Nadab dieth, and Abihu, in the presence of their father, and they had no sons, and Eleazar and Ithamar act as priests.

But Nadab and Abihu came to their end before their father, and had no children; so Eleazar and Ithamar did the work of priests.

But Nadab and Abihu died before their father, and without children. And so Eleazar and Ithamar exercised the priestly office.

Nadab and Abihu died before their father - That is, during his lifetime.
Eleazar and Ithamar executed the priest's office - These two served the office during the life of their father Aaron; after his death Eleazar succeeded in the high priesthood. And under Eli the high priest, the family of Ithamar re-entered into that office.

But Nadab and Abihu died (a) before their father, and had no children: therefore Eleazar and Ithamar executed the priest's office.
(a) While their father yet lived.

But Nadab and Abihu died before their father,.... While he was living, see Leviticus 10:1.
and had no children, therefore Eleazar and Ithamar executed the priests' office: otherwise, as Jarchi observes, had their brethren left children, they would have come into the office before them.

Nadab and Abihu died before their father--that is, not in his presence, but during his lifetime (see Numbers 3:4; Numbers 26:61).
therefore Eleazar and Ithamar executed the priest's office--In consequence of the death of his two oldest sons without issue, the descendants of Aaron were comprised in the families of Eleazar and Ithamar. Both of these sons discharged the priestly functions as assistants to their father. Eleazar succeeded him, and in his line the high priesthood continued until it was transferred to the family of Ithamar, in the person of Eli.

Cf. Leviticus 10:1., Numbers 3:4. These priestly families David caused (1-Chronicles 24:3) to be divided, along with the two high priests (see on 13:16), "according to their service." פּקדּה, office, official class, as in 1-Chronicles 23:11.

Therefore, &c. - Were the only persons to whom the execution of that office was committed.