Exo 6:23 Aaron took as his wife Elisheba, the daughter of Amminadab and the sister of Nahshon, and she bore him Nadab, Abihu, Eleazar, and Ithamar.

Exo 28:1 “Then bring near to you Aaron your brother, and his sons with him, from among the people of Israel, to serve me as priestsAaron and Aaron’s sons, Nadab and Abihu, Eleazar and Ithamar.

Exo 38:21 These are the records of the tabernacle, the tabernacle of the testimony, as they were recorded at the commandment of Moses, the responsibility of the Levites under the direction of Ithamar the son of Aaron the priest.
Lev 10:6 And Moses said to Aaron and to Eleazar and Ithamar his sons, “Do not let the hair of your heads hang loose, and do not tear your clothes, lest you die, and wrath come upon all the congregation; but let your brothers, the whole house of Israel, bewail the burning that the Lord has kindled.

Lev 10:12 Moses spoke to Aaron and to Eleazar and Ithamar, his surviving sons: “Take the grain offering that is left of the Lord’s food offerings, and eat it unleavened beside the altar, for it is most holy.

Lev 10:16 Now Moses diligently inquired about the goat of the sin offering, and behold, it was burned up! And he was angry with Eleazar and Ithamar, the surviving sons of Aaron, saying,
Num 3:2 These are the names of the sons of Aaron: Nadab the firstborn, and Abihu, Eleazar, and Ithamar.
Num 3:4 But Nadab and Abihu died before the Lord when they offered unauthorized fire before the Lord in the wilderness of Sinai, and they had no children. So Eleazar and Ithamar served as priests in the lifetime of Aaron their father.

Num 4:28 This is the service of the clans of the sons of the Gershonites in the tent of meeting, and their guard duty is to be under the direction of Ithamar the son of Aaron the priest.

Num 4:33 This is the service of the clans of the sons of Merari, the whole of their service in the tent of meeting, under the direction of Ithamar the son of Aaron the priest.”

Num 7:8 And four wagons and eight oxen he gave to the sons of Merari, according to their service, under the direction of Ithamar the son of Aaron the priest.
Num 26:60 And to Aaron were born Nadab, Abihu, Eleazar, and Ithamar.
1Ch 6:3 The children of Amram: Aaron, Moses, and Miriam. The sons of Aaron: Nadab, Abihu, Eleazar, and Ithamar.

1Ch 24:1 The divisions of the sons of Aaron were these. The sons of Aaron: Nadab, Abihu, Eleazar, and Ithamar.
1Ch 24:2 But Nadab and Abihu died before their father and had no children, so Eleazar and Ithamar became the priests.
1Ch 24:3 With the help of Zadok of the sons of Eleazar, and Ahimelech of the sons of Ithamar, David organized them according to the appointed duties in their service.
1Ch 24:4 Since more chief men were found among the sons of Eleazar than among the sons of Ithamar, they organized them under sixteen heads of fathershouses of the sons of Eleazar, and eight of the sons of Ithamar.
1Ch 24:5 They divided them by lot, all alike, for there were sacred officers and officers of God among both the sons of Eleazar and the sons of Ithamar.
1Ch 24:6 And the scribe Shemaiah, the son of Nethanel, a Levite, recorded them in the presence of the king and the princes and Zadok the priest and Ahimelech the son of Abiathar and the heads of the fathers’ houses of the priests and of the Levites, one father’s house being chosen for Eleazar and one chosen for Ithamar.

Ezr 8:2 Of the sons of Phinehas, Gershom. Of the sons of Ithamar, Daniel. Of the sons of David, Hattush.
Copyright information for ESV