Nadab, Abihu,

Leviticus 10:1-2
Now Aaron’s sons Nadab and Abihu took their censers, put fire in them and added incense, and offered unauthorized fire before the LORD, contrary to His command. / So fire came out from the presence of the LORD and consumed them, and they died in the presence of the LORD.

Numbers 3:4
Nadab and Abihu, however, died in the presence of the LORD when they offered unauthorized fire before the LORD in the Wilderness of Sinai. And since they had no sons, only Eleazar and Ithamar served as priests during the lifetime of their father Aaron.

1 Chronicles 24:2
But Nadab and Abihu died before their father did, and they had no sons; so Eleazar and Ithamar served as priests.

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Eleazar,

Numbers 20:25-28
Take Aaron and his son Eleazar and bring them up Mount Hor. / Remove Aaron’s priestly garments and put them on his son Eleazar. Aaron will be gathered to his people and will die there.” / So Moses did as the LORD had commanded, and they climbed Mount Hor in the sight of the whole congregation. …

Joshua 14:1
Now these are the portions that the Israelites inherited in the land of Canaan, as distributed by Eleazar the priest, Joshua son of Nun, and the heads of the families of the tribes of Israel.

Joshua 19:51
These are the inheritances that Eleazar the priest, Joshua son of Nun, and the heads of the families distributed by lot to the tribes of Israel at Shiloh before the LORD at the entrance to the Tent of Meeting. So they finished dividing up the land.

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and Ithamar

Leviticus 10:6
Then Moses said to Aaron and his sons Eleazar and Ithamar, “Do not let your hair become disheveled and do not tear your garments, or else you will die, and the LORD will be angry with the whole congregation. But your brothers, the whole house of Israel, may mourn on account of the fire that the LORD has ignited.

Numbers 4:28
This is the service of the Gershonite clans at the Tent of Meeting, and their duties shall be under the direction of Ithamar son of Aaron the priest.

Numbers 4:33
This is the service of the Merarite clans according to all their work at the Tent of Meeting, under the direction of Ithamar son of Aaron the priest.”

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were born to Aaron,

Numbers 3:2
These are the names of the sons of Aaron: Nadab the firstborn, then Abihu, Eleazar, and Ithamar.

Exodus 6:23
And Aaron married Elisheba, the daughter of Amminadab and sister of Nahshon, and she bore him Nadab and Abihu, Eleazar and Ithamar.

1 Chronicles 6:3
The children of Amram: Aaron, Moses, and Miriam. The sons of Aaron: Nadab, Abihu, Eleazar, and Ithamar.

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Exodus 6:20
And Amram married his father’s sister Jochebed, and she bore him Aaron and Moses. Amram lived 137 years.

Exodus 2:1-2
Now a man of the house of Levi married a Levite woman, / and she conceived and gave birth to a son. When she saw that he was a beautiful child, she hid him for three months.

Exodus 15:20
Then Miriam the prophetess, Aaron’s sister, took a tambourine in her hand, and all the women followed her with tambourines and dancing.

Exodus 4:14
Then the anger of the LORD burned against Moses, and He said, “Is not Aaron the Levite your brother? I know that he can speak well, and he is now on his way to meet you. When he sees you, he will be glad in his heart.