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 38:21

The Materials of the Construction

38:21 This is the inventory of the tabernacle, the tabernacle of the testimony, which was counted by the order of Moses, being the work of the Levites under the direction of Ithamar, son of Aaron the priest.