Crunchyg3:

Please I am not here to argue the whole of the bible. What is the relationship between how many sons that God have and how Melikizediech was born that you are asking me?. Like I said before you have deviated from the initial point of discussion. And I think this is where I will call it a day. Thanks

thanks for discussion bro

compton11:
■ Then say to Pharaoh, 'This is what the LORD says: Israel is my firstborn SON-exodus 4:22.

That statement in Exodus 4 that you pulled out of context was in fact metaphorical description of the people of Israel by God.

21 While Moses was traveling back to Egypt, the Lord spoke to him, “When you talk to Pharaoh remember to show him all the miracles that I have given you the power to do. But I will cause Pharaoh to be very stubborn. He will not let the people go.
22 Then you should say to Pharaoh, ‘This is what the Lord says: Israel is my firstborn son.
23 And I am telling you to let my son go and worship me. If you refuse to let Israel go, then I will kill your firstborn son.’” - Exodus 4 vs 21 - 23

A firstborn son typically refers to one individual in a family but in this case, the term is used in reference to a whole nation of people, a first indication that it is meant to be figuratively processed. In that passage, anyone able to see could tell that God described the people of Israel as having the same importance that a firstborn son would have to the likes of Pharaoh whose firstborn son He, God, threatened.