3 And thou shalt write Aaron’s name upon the rod of Levi, for each head of family of their fathers shall have one rod.
Numbers 17:3 Cross References - EJ2000
Exodus 6:16
16 And these are the names of the sons of Levi according to their lineages: Gershon, Kohath, and Merari. And the years of the life of Levi were one hundred thirty-seven years.
Exodus 6:20
20 And Amram took Jochebed, his father’s sister to wife; and she bore him Aaron and Moses. And the years of the life of Amram were one hundred thirty-seven years.
Numbers 3:2-3
Numbers 18:1
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.
Numbers 18:7
7 Therefore thou and thy sons with thee shall keep your priesthood for every thing of the altar and within the veil, and ye shall minister; for I have given the service of your priesthood as a gift, and the stranger that comes near shall die.