Cross reference
Numbers 17:3
3 You shall write Aaron's name on the rod of Levi; for there shall be one rod for each head of their fathers' houses.
Exodus 6:16
16 These are the names of the sons of Levi according to their generations: Gershon, and Kohath, and Merari; and the years of the life of Levi were one hundred thirty-seven years.
Exodus 6:20
20 Amram took Jochebed his father's sister to himself as wife; and she bore him Aaron and Moses: and the years of the life of Amram were a hundred and thirty-seven years.
Numbers 3:2-3
2 These are the names of the sons of Aaron: Nadab the firstborn, and Abihu, Eleazar, and Ithamar.
3 These are the names of the sons of Aaron, the priests who were anointed, whom he consecrated to minister in the priest's office.
Numbers 18:1
1 Yahweh said to Aaron, You and your sons and your fathers' house with you shall bear the iniquity of the sanctuary; and you and your sons with you shall bear the iniquity of your priesthood.
Numbers 18:7
7 You and your sons with you shall keep your priesthood for everything of the altar, and for that within the veil; and you shall serve: I give you the priesthood as a service of gift: and the stranger who comes near shall be put to death.