Exodus 6:20

And Amram took Jochebed, his father's sister, as wife; and she gave birth to Aaron and Moses: and the years of Amram's life were a hundred and thirty-seven.

Exodus 2:1-2

Now a man of the house of Levi took as his wife a daughter of Levi.

Numbers 26:59

Amram's wife was Jochebed, the daughter of Levi, whom he had in Egypt: by Amram she had Moses and Aaron and their sister Miriam.

Exodus 6:16

And these are the names of the sons of Levi in the order of their generations: Gershon and Kohath and Merari: and the years of Levi's life were a hundred and thirty-seven.

Exodus 6:18

And the sons of Kohath: Amram and Izhar and Hebron and Uzziel: and the years of Kohath's life were a hundred and thirty-three.

Treasury of Scripture Knowledge

Summary

And Amram took him Jochebed his father's sister to wife; and she bare him Aaron and Moses: and the years of the life of Amram were an hundred and thirty and seven years.

And the years

Bible References

Amram

Exodus 2:1
Now a man of the house of Levi took as his wife a daughter of Levi.
Numbers 26:59
Amram's wife was Jochebed, the daughter of Levi, whom he had in Egypt: by Amram she had Moses and Aaron and their sister Miriam.

And the years

Exodus 6:16
And these are the names of the sons of Levi in the order of their generations: Gershon and Kohath and Merari: and the years of Levi's life were a hundred and thirty-seven.

General references

Leviticus 18:12
You may not have sex connection with your father's sister, for she is your father's near relation.
Numbers 3:19
And the sons of Kohath, by their families: Amram and Izhar and Hebron and Uzziel.
Numbers 17:3
And let Aaron's name be placed on the rod of Levi: for there is to be one rod for the head of every family.
Numbers 26:59
Amram's wife was Jochebed, the daughter of Levi, whom he had in Egypt: by Amram she had Moses and Aaron and their sister Miriam.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain