Exodus 13:15
And it came to pass, when Pharaoh would hardly let us go, that LORD slew all the first-born in the land of Egypt, both the first-born of man, and the first-born of beast. Therefore I sacrifice to LORD all that opens the womb, being
Exodus 12:29
And it came to pass at midnight, that LORD smote all the first-born in the land of Egypt, from the first-born of Pharaoh who sat on his throne to the first-born of the captive who was in the dungeon, and all the first-born of cattl
Treasury of Scripture Knowledge
Summary
                            And it came to pass, when Pharaoh would hardly let us go, that the LORD slew all the firstborn in the land of Egypt, both the firstborn of man, and the firstborn of beast: therefore I sacrifice to the LORD all that openeth the matrix, being males; but all the firstborn of my children I redeem.                        
                    The lord slew
Therefore i
General references
Bible References
The lord slew
                                        Exodus 12:29                                        
                                                            
                        And it came to pass at midnight, that LORD smote all the first-born in the land of Egypt, from the first-born of Pharaoh who sat on his throne to the first-born of the captive who was in the dungeon, and all the first-born of cattl
                                    Therefore i
                                        Exodus 13:12                                        
                                                            
                        that thou shall set apart to LORD all that opens the womb. And every firstling which thou have that comes of a beast, the males shall be LORD's.
                                    General references
                                        Psalm 78:3                                        
                                                            
                        which we have heard and known, and our fathers have told us.