Scripture cannot be broken. The Abraham covenant is between God, Abraham, and his seed.
Seed refers to DNA. God ordained DNA.
It is however an argument outside of Scripture. Paul tells us that it is not those who are the offsprings (seeds, DNA if you will, can't have it both ways) of Abraham who are Christ's but the offspring, meaning one who is Christ. Are you calling Paul a liar? Are you accusing Paul of breaking Scripture?
It is the Mosaic covenant that is made with Abraham's seeds (DNA if you must.) And that is the Old Covenant as designated by the arrangement or the Bible itself. Old Testament (covenant). New Testament (covenant.) And though the old covenant taught righteousness, and is where God revealed Himself through it as the one true and living God who acts in history, as opposed to the many gods who could not speak, act, see, or hear, it also condemned all those who broke the Law, or who obeyed it by rote but had no faith in God.
What was the difference between the nation God made for Himself and all the other nations? Figure that out and be honest about it, and you may begin to see the larger purpose Israel served (and they were God's servant, tasked with something they did not do---bear witness of Him to the nations, so they too could come to Him) in the plan of redemption, which became the covenant of redemption that was promised, when Christ arrived.
King of kings and Lord of lords. There is no "accept the animal sacrifice into your heart" or accept Jesus Christ into your heart", or confess with your mouth the Lord Jesus and believe in your heart" garbage. Jesus will triumph and Israel will triumph over all people DNA in the earth. The Lord has declared it and it will be done.
You have the most astonishing, mind boggling, way of suddenly taking flight from one topic to another in the middle of a paragraph!
King of kings and Lord of lords means He is Lord over all---not just Israel.
To address your sudden flight of fancy that was apropos of nothing: There are doctrinal views that take the approach of man choosing Christ as the sure means of salvation, but I am not among them, and it is not the historic traditional view of Christianity. Election unto salvation is always of God. It is His wheelhouse---not yours who says He can and will only elect Jews. And not ours. If we have faith in the person and work of Jesus as our only way to God and into His kingdom, it is
because he has elected us to just that, and given us what we need to arrive where He destines us to go. To the Shepherd.
To say Jesus only died on Calvary to save a people based on their DNA, is to not know Christ. To not have a clue who He is or what He came to do, and did in fact do.