Exodus 6:16-20
These were the names of the sons of Levi according to their records: Gershon, Kohath, and Merari. Levi lived 137 years. / The sons of Gershon were Libni and Shimei, by their clans. / The sons of Kohath were Amram, Izhar, Hebron, and Uzziel. Kohath lived 133 years. ...

1 Chronicles 6:1-3
The sons of Levi: Gershon, Kohath, and Merari. / The sons of Kohath: Amram, Izhar, Hebron, and Uzziel. / The children of Amram: Aaron, Moses, and Miriam. The sons of Aaron: Nadab, Abihu, Eleazar, and Ithamar.

Exodus 28:1
“Next, have your brother Aaron brought to you from among the Israelites, along with his sons Nadab, Abihu, Eleazar, and Ithamar, to serve Me as priests.

1 Chronicles 23:12-13
The sons of Kohath: Amram, Izhar, Hebron, and Uzziel—four in all. / The sons of Amram: Aaron and Moses. Aaron and his descendants were set apart forever to consecrate the most holy things, to burn incense before the LORD, to minister before Him, and to pronounce blessings in His name forever.

Exodus 29:9
Wrap the sashes around Aaron and his sons and tie headbands on them. The priesthood shall be theirs by a permanent statute. In this way you are to ordain Aaron and his sons.

1 Chronicles 24:1-3
These were the divisions of the descendants of Aaron. The sons of Aaron were Nadab, Abihu, Eleazar, and Ithamar. / But Nadab and Abihu died before their father did, and they had no sons; so Eleazar and Ithamar served as priests. / With the help of Eleazar’s descendant Zadok and Ithamar’s descendant Ahimelech, David divided them according to the offices of their service.

Hebrews 7:5
Now the law commands the sons of Levi who become priests to collect a tenth from the people—that is, from their brothers—though they too are descended from Abraham.

Exodus 32:26-29
So Moses stood at the entrance to the camp and said, “Whoever is for the LORD, come to me.” And all the Levites gathered around him. / He told them, “This is what the LORD, the God of Israel, says: ‘Each of you men is to fasten his sword to his side, go back and forth through the camp from gate to gate, and slay his brother, his friend, and his neighbor.’” / The Levites did as Moses commanded, and that day about three thousand of the people fell dead. ...

1 Chronicles 6:48-49
Their fellow Levites were assigned to every kind of service of the tabernacle, the house of God. / But Aaron and his sons did all the work of the Most Holy Place. They presented the offerings on the altar of burnt offering and on the altar of incense to make atonement for Israel, according to all that Moses the servant of God had commanded.

Hebrews 5:4
No one takes this honor upon himself; he must be called by God, just as Aaron was.

Deuteronomy 10:8
At that time the LORD set apart the tribe of Levi to carry the ark of the covenant of the LORD, to stand before the LORD to serve Him, and to pronounce blessings in His name, as they do to this day.

1 Chronicles 9:14-20
From the Levites: Shemaiah son of Hasshub, the son of Azrikam, the son of Hashabiah, a descendant of Merari; / Bakbakkar, Heresh, Galal, and Mattaniah son of Mica, the son of Zichri, the son of Asaph; / Obadiah son of Shemaiah, the son of Galal, the son of Jeduthun; and Berechiah son of Asa, the son of Elkanah, who lived in the villages of the Netophathites. ...

Hebrews 9:6-7
When everything had been prepared in this way, the priests entered regularly into the first room to perform their sacred duties. / But only the high priest entered the second room, and then only once a year, and never without blood, which he offered for himself and for the sins the people had committed in ignorance.

Leviticus 8:2
“Take Aaron and his sons, their garments, the anointing oil, the bull of the sin offering, the two rams, and the basket of unleavened bread,

1 Chronicles 15:2
Then David said, “No one but the Levites may carry the ark of God, because the LORD has chosen them to carry the ark of the LORD and to minister before Him forever.”