These are the names of the sons of Aaron, the priests who were anointed, whom Aaron consecrated and ordained to minister in the priest’s office.

So you shall appoint Aaron and his sons, and they shall observe and attend to their priesthood; but the layman (non-Levite) who approaches [the holy things] shall be put to death.”

Now those to camp before the tabernacle toward the east, before the Tent of Meeting, toward the sunrise, were to be Moses, and Aaron and his sons, performing the duties of the sanctuary for whatever was required of the Israelites; and the layman (non-Levite) who approached [the sanctuary] was to be put to death.

The Levites, too, purified themselves from sin and they washed their clothes; and Aaron presented them as a wave offering before the Lord, and Aaron made atonement for them to cleanse them.

and strip Aaron of his garments and put them on Eleazar his son. So Aaron will be gathered to his fathers, and will die there.”

After Moses stripped Aaron of his [priestly] garments and put them on Eleazar his son, Aaron died there on the mountain top. Then Moses and Eleazar came down from the mountain.