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 the heads of the house of their father: the sons of Reuben the first-born of Israel: Hanoch and Pallu, Hezron and Carmi: these the tribes of Reuben.
                                    
                                        Numbers 26:5                                        
                                                            
                        Reuben, the first-born of Israel; the sons of Reuben: Hanoch, the families of the Hanochites: for Pallu, the families of the Palluites