And Aaron took Elisheba the daughter of Amminadab, the sister of Nahshon, for himself as a wife, and she bore for him Nadab and Abihu, Eleazar and Ithamar.

“Have your brother Aaron, with his sons, come to you from the Israelites to serve Me as priest—Aaron, his sons Nadab and Abihu, Eleazar and Ithamar.

This is the inventory for the tabernacle, the tabernacle of the testimony, that was recorded at Moses’ command. It was the work of the Levites under the direction of Ithamar son of Aaron the priest.

And Moses said unto Aaron, and unto Eleazar and unto Ithamar, his sons, Uncover not your heads, neither rend your clothes; lest you die, and lest wrath come upon all the people: but let your brethren, the whole house of Israel, bewail the burning which the LORD has kindled.

And Moses spoke unto Aaron, and unto Eleazar and unto Ithamar, his sons that were left, Take the grain offering that remains of the offerings of the LORD made by fire, and eat it without leaven beside the altar: for it is most holy:

And Moses diligently sought the goat of the sin offering, and, behold, it was burnt: and he was angry with Eleazar and Ithamar, the sons of Aaron who were left alive, saying,

And these are the names of the sons of Aaron; Nadab the firstborn, and Abihu, Eleazar, and Ithamar.

And Nadab and Abihu died before the LORD, when they offered strange fire before the LORD, in the wilderness of Sinai, and they had no children: and Eleazar and Ithamar ministered in the priest's office in the sight of Aaron their father.

This is the service of the families of the sons of Gershon in the tabernacle of the congregation: and their charge shall be under the hand of Ithamar the son of Aaron the priest.

This is the service of the families of the sons of Merari, according to all their service, in the tabernacle of the congregation, under the hand of Ithamar the son of Aaron the priest.

And four wagons and eight oxen he gave unto the sons of Merari, according unto their service, under the hand of Ithamar the son of Aaron the priest.

And to Aaron was born Nadab, and Abihu, Eleazar, and Ithamar.

And the children of Amram: Aaron, and Moses, and Miriam. And the sons of Aaron: Nadab and Abihu, Eleazar and Ithamar.

The divisions of the descendants of Aaron were as follows: Aaron’s sons were Nadab, Abihu, Eleazar, and Ithamar.

But Nadab and Abihu died before their father, and they had no sons, so Eleazar and Ithamar served as priests.

Together with Zadok from the sons of Eleazar and Ahimelech from the sons of Ithamar, David divided them according to the assigned duties of their service.

Since more leaders were found among Eleazar’s descendants than Ithamar’s, they were divided accordingly: 16 heads of ancestral houses were from Eleazar’s descendants, and eight heads of ancestral houses were from Ithamar’s.

They were assigned by lot, for there were officers of the sanctuary and officers of God among both Eleazar’s and Ithamar’s descendants.

The secretary, Shemaiah son of Nethanel, a Levite, recorded them in the presence of the king and the officers, Zadok the priest, Ahimelech son of Abiathar, and the heads of families of the priests and the Levites. One ancestral house was taken for Eleazar, and then one for Ithamar.

Of the sons of Phinehas; Gershom: of the sons of Ithamar; Daniel: of the sons of David; Hattush.