Numbers 3:10 And thou shalt appoint Aaron and his sons, and they shall wait on their priest’s office: and the stranger that cometh nigh shall be put to death. 10 I MC VC

Numbers 18:1 And the Lord said unto Aaron, Thou and thy sons and thy father’s house with thee shall bear the iniquity of the sanctuary: and thou and thy sons with thee shall bear the iniquity of your priesthood. 10 I MC VC

Numbers 18:2 And thy brethren also of the tribe of Levi, the tribe of thy father, bring thou with thee, that they may be joined unto thee, and minister unto thee: but thou and thy sons with thee shall minister before the tabernacle of witness. 10 I MC VC

Hebrews 9:6 Now when these things were thus ordained, the priests went always into the first tabernacle, accomplishing the service of God. MC VC