Thematic Bible: Appointing ecclesiastical officers

"You are to bring your brother Aaron, along with his sons, from among the Israelis so they can serve as priests for me: that is, Aaron and his sons Nadab, Abihu, Eleazar, and Ithamar. Verse ConceptsLeaders, SpiritualPriests, Function In Ot TimesPriests, Institution In Ot TimesServanthood, And Worship Of GodAaron, As High PriestMinisters, Description OfTypes Of Christ

Then you are to bring Aaron and his sons to the doorway of the Tent of Meeting, and wash them with water. You are to clothe Aaron with the holy garments, you are to anoint him, and consecrate him so he may serve me as priest. You are to bring his sons and clothe them with tunics. read more.
You are to anoint them just as you anointed their father so they may serve me as priests. Their anointing is to qualify them to belong to a perpetual priesthood from generation to generation."