Then Aaron married Elisheba daughter of Amminadab, sister of Nahshon. She bore him Nadab, Abihu, Eleazar, and Ithamar.

"You are to bring your brother Aaron, along with his sons, from among the Israelis so they can serve as priests for me: that is, Aaron and his sons Nadab, Abihu, Eleazar, and Ithamar.

Here is a summary of materials for the Tent of Meeting that was compiled at Moses' direction, the work of the descendants of Levi under the direction of Aaron the priest's son Ithamar.

Then Moses told Aaron and his sons Eleazar and Ithamar, "You are not to loosen the hair of your head and you are not to rend your clothes. That way, you won't die and wrath won't come on the entire congregation. Your brothers and the assembly of Israel will mourn because of the fire that the LORD kindled.

Then Moses told Aaron and his sons Eleazar and Ithamar, "Take the leftovers from the grain offering and the offerings made by fire and eat the unleavened bread beside the altar, because it is most holy to the LORD.

Now Moses diligently sought for the goat that had been offered as a sin offering, but it had already been incinerated, so he was angry with Aaron's sons who remained. He asked Eleazar and Ithamar,

The sons of Aaron were Nadab the first-born, Abihu, Eleazar, and Ithamar

Nadab and Abihu died in the LORD's presence when they offered unauthorized fire before him in the Sinai wilderness. Since they didn't have their own children, Eleazar and Ithamar ministered as priests under the authority of Aaron their father.

This is the work of the tribes of Gershon at the Tent of Meeting their duties under the supervision of Ithamar, the son of Aaron the priest.

This is the work of the tribes of the descendants of Merari with reference to their service at the Tent of Meeting under the supervision of Aaron the priest's son Ithamar."

To Aaron were born Nadab, Abihu, Eleazar, and Ithamar.

Amram's descendants included Aaron, Moses, and Miriam. Aaron's sons included Nadab, Abihu, Eleazar, and Ithamar.

With respect to the descendants of Aaron, classes of service were organized for Nadab, Abihu, Eleazar, and Ithamar, the descendants of Aaron.

But Nadab and Abihu died before their father did, leaving no sons, so Eleazar and Ithamar became priests.

Along with Zadok, one of Eleazar's descendants, and Ahimelech, one of Ithamar's descendants, David organized their service according to their assigned responsibilities.

More leaders were located among Eleazar's descendants than among those of Ithamar, so sixteen leaders were appointed from the leaders of the ancestral households of Eleazar's descendants and eight from those of Ithamar.

They were chosen by impartial lottery, since there were trustees of the sanctuary and officers of God among both Eleazar's descendants and among Ithamar's descendants.

Nethanel's son Shemaiah, a Levitical scribe, made an official record of them for the king, the officers, Zadok the priest, Abiathar's son Ahimelech, and the heads of ancestral households of both the priests and the descendants of Levi. One ancestral house was chosen for Eleazar and one for Ithamar.

From Phinehas's descendants: Gershom. From Ithamar's descendants: Daniel. From David's descendants: Hattush.