1 Chronicles 5:3

the sons of Reuben the first-born of Israel: Hanoch, and Pallu, Hezron, and Carmi.

Genesis 46:9

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

Exodus 6:14

These are the heads of their fathers' 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 first-born of Israel. The sons of Reuben: [of] Hanoch, the family of the Hanochites; of Pallu, the family of the Palluites;

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, Hezron, and Carmi.
Exodus 6:14
These are the heads of their fathers' 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 first-born of Israel. The sons of Reuben: [of] Hanoch, the family of the Hanochites; of Pallu, the family of the Palluites;