Exodus 6:20

Amram married his father’s sister Jochebed, and she gave birth to Aaron and Moses; and Amram lived a hundred and thirty-seven years.

Exodus 2:1-2

Now a man of the house of Levi [the priestly tribe] went and took as his wife a daughter of Levi.

Numbers 26:59

The name of Amram’s wife was Jochebed, the daughter of Levi, who was born to Levi in Egypt; and to Amram she bore Aaron, Moses, and Miriam their sister.

Exodus 6:16

These are the names of the sons of Levi according to their births: Gershon, Kohath, and Merari; and Levi lived a hundred and thirty-seven years.

Exodus 6:18

The sons of Kohath: Amram (Moses’ father), Izhar, Hebron, and Uzziel; and Kohath lived a hundred and thirty-three years.

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 [the priestly tribe] went and took as his wife a daughter of Levi.
Numbers 26:59
The name of Amram’s wife was Jochebed, the daughter of Levi, who was born to Levi in Egypt; and to Amram she bore Aaron, Moses, and Miriam their sister.

And the years

Exodus 6:16
These are the names of the sons of Levi according to their births: Gershon, Kohath, and Merari; and Levi lived a hundred and thirty-seven years.

General references

Leviticus 18:12
You shall not uncover the nakedness of your father’s sister; she is your father’s blood relative.
Numbers 3:19
and the [four] sons of Kohath by their families: Amram, Izhar, Hebron, and Uzziel;
Numbers 17:3
and write Aaron’s name on the rod of Levi [his ancestor]; for there is one rod for the head of each of their fathers’ households.
Numbers 26:59
The name of Amram’s wife was Jochebed, the daughter of Levi, who was born to Levi in Egypt; and to Amram she bore Aaron, Moses, and Miriam their sister.