1 Chronicles 5:3

The sons, I say, of Reuben the first-born of Israel were, Hanoch, and Pallu, Hezron, and Carmi.

Genesis 46:9

And the sons of Reuben; Hanoch, and Phallu, and Hezron, and Carmi.

Exodus 6:14

These are the heads of their father's houses: The sons of Reuben the first-born of Israel; Hanoch, and Pallu, Hezron, and Carmi: these are the families of Reuben.

Numbers 26:5-9

Reuben the eldest son of Israel: the children of Reuben; Hanoch, of whom cometh the family of the Hanochites: Of Phallu, the family of the Phalluites:

Treasury of Scripture Knowledge

Summary

The sons, I say, of Reuben the firstborn of Israel were, Hanoch, and Pallu, Hezron, and Carmi.

Bible References

Sons

Genesis 46:9
And the sons of Reuben; Hanoch, and Phallu, and Hezron, and Carmi.
Exodus 6:14
These are the heads of their father's houses: The sons of Reuben the first-born of Israel; Hanoch, and Pallu, Hezron, and Carmi: these are the families of Reuben.
Numbers 26:5
Reuben the eldest son of Israel: the children of Reuben; Hanoch, of whom cometh the family of the Hanochites: Of Phallu, the family of the Phalluites: