Numbers 26:57

And these are those who were numbered of the Levites according to their families: of Gershon, the family of the Gershonites; of Kohath, the family of the Kohathites; of Merari, the family of the Merarites.

Genesis 46:11

And the sons of Levi: Gershon, Kohath, and Merari.

Exodus 6:16-19

And 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 a hundred thirty-seven years.

1 Chronicles 6:1

The sons of Levi: Gershon, Kohath, and Merari.

1 Chronicles 6:16-30

The sons of Levi: Gershom, Kohath, and Merari.

Numbers 3:1-4

Now these are the generations of Aaron and Moses in the day that LORD spoke with Moses in mount Sinai:

Numbers 35:2-3

Command the sons of Israel, that they give to the Levites from the inheritance of their possession cities to dwell in. And ye shall give suburbs for the cities round about them to the Levites.

Treasury of Scripture Knowledge

Summary

And these are they that were numbered of the Levites after their families: of Gershon, the family of the Gershonites: of Kohath, the family of the Kohathites: of Merari, the family of the Merarites.

General references

Bible References

These are

Numbers 35:2
Command the sons of Israel, that they give to the Levites from the inheritance of their possession cities to dwell in. And ye shall give suburbs for the cities round about them to the Levites.
Genesis 46:11
And the sons of Levi: Gershon, Kohath, and Merari.
Exodus 6:16
And 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 a hundred thirty-seven years.
1 Chronicles 6:1
The sons of Levi: Gershon, Kohath, and Merari.

General references

Numbers 1:47
But the Levites according to the tribe of their fathers were not numbered among them.
Numbers 3:17
And these were the sons of Levi by their names: Gershon, and Kohath, and Merari.