3 And the name of Aaron shall be for the tribe of Levi, and one rod shall contain all their families:
Numbers 17:3 Cross References - DouayRheims
Exodus 6:16
16 And these are the names of the sons of Levi by their kindreds: Gerson, and Caath, and Merari. And the years of the life of Levi were a hundred and thirty- seven.
Exodus 6:20
20 And Amram took to wife Jochabed his aunt by the father's side: and she bore him Aaron and Moses. And the years of Amram's life, were a hundred and thirty-seven.
Numbers 3:2-3
Numbers 18:1
1 And the Lord said to 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 sins of your priesthood.
Numbers 18:7
7 But thou and thy sons look ye to the priesthood: and all things that pertain to the service of the altar, and that are within the veil, shall be executed by the priests. If any stranger shall approach, he shall be slain.