Numbers 17:3

and write Aaron’s name on the rod of Levi [his ancestor]; for there is one rod for the head of each of their fathers’ households.

Exodus 6:16

These are the names of the sons of Levi according to their births: Gershon, Kohath, and Merari; and Levi lived a hundred and thirty-seven years.

Exodus 6:20

Amram married his father’s sister Jochebed, and she gave birth to Aaron and Moses; and Amram lived a hundred and thirty-seven years.

Numbers 3:2-3

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

Numbers 18:1

So the Lord said to Aaron, “You and your sons and your father’s household (family) with you shall bear the guilt in connection with the sanctuary [that is, through your service as priests you will atone for the offenses which the people unknowingly commit when brought into contact with the manifestations of God’s presence]; and you and your sons with you shall bear the guilt in connection with your priesthood [that is, your own unintentional offenses].

Numbers 18:7

Therefore you and your sons with you shall attend to your priesthood for everything concerning the altar [of burnt offering and the altar of incense] and [of the Holy of Holies] within the veil, and you are to serve. I am giving you the priesthood as a bestowed service, but the stranger (outsider, layman) who approaches shall be put to death.”

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