Exodus 6:18
Amram, Izhar, Hebron, and Uzziel.
Kohath lived 133 years.
1 Chronicles 6:2
                            
1 Chronicles 6:18
                            
Numbers 3:19
Kohath’s sons by their clans were Amram, Izhar, Hebron, and Uzziel.
Numbers 26:57
                            
the Gershonite clan from Gershon;
the Kohathite clan from Kohath;
the Merarite clan from Merari.
Treasury of Scripture Knowledge
Summary
                            And the sons of Kohath; Amram, and Izhar, and Hebron, and Uzziel: and the years of the life of Kohath were an hundred thirty and three years.                        
                    General references
Bible References
Sons
                                        Numbers 3:19                                        
                                                                                                                                Kohath’s sons by their clans were Amram, Izhar, Hebron, and Uzziel. 
                                    
                                        1 Chronicles 6:2                                        Kohath’s sons: Amram, Izhar, Hebron, and Uzziel.
 
                                    
                                                            
                        General references
                                        Numbers 3:17                                        
                                                                                                                                These were Levi’s sons by name: Gershon, Kohath, and Merari. 
                                    
                                        Joshua 21:10                                        
                                                            
                        to the descendants of Aaron from the Kohathite clans of the Levites, because they received the first lot.