Exodus 28:1

The Clothing of the Priests

28:1 “And you, bring near to you your brother Aaron and his sons with him from among the Israelites, so that they may minister as my priests – Aaron, Nadab and Abihu, Eleazar and Ithamar, Aaron’s sons.

Exodus 28:35

28:35 The robe is to be on Aaron as he ministers, and his sound will be heard when he enters the Holy Place before the Lord and when he leaves, so that he does not die.