The Covenant with Abraham was before circumcision Rom 4:9-13,16-17
I said I agree. But Abram was born into an obedient Hebrew family line. God makes this known by His identifying Abram as Hebrew born from the obedient family line of Shem, who was a son of God and descendant of Seth.
9 Cometh this blessedness then upon the circumcision only, or upon the uncircumcision also? for we say that faith was reckoned to Abraham for righteousness.
10 How was it then reckoned? when he was in circumcision, or in uncircumcision? Not in circumcision, but in uncircumcision.
11 And he received the sign of circumcision, a seal of the righteousness of the faith which he had yet being uncircumcised: that he might be the father of all them that believe, though they be not circumcised; that righteousness might be imputed unto them also:
12 And the father of circumcision to them who are not of the circumcision only, but who also walk in the steps of that faith of our father Abraham, which he had being yet uncircumcised.
13 For the promise, that he should be the heir of the world, was not to Abraham, or to his seed, through the law, but through the righteousness of faith.
16 Therefore it is of faith, that it might be by grace; to the end the promise might be sure to all the seed; not to that only which is of the law, but to that also which is of the faith of Abraham; who is the father of us all,
17 (As it is written, I have made thee a father of many nations,) before him whom he believed, even God, who quickeneth the dead, and calleth those things which be not as though they were.
What you're trying to do is equate being uncircumcised as being non-Hebrew Gentile but that is wrong. Abram was born from the obedient family line going back to Eber whose name means a couple of things one of which is where the Hebrew ethnicity began. There were two groups of people in existence and always have been, those disobedient descendants of Adam which later became a disobedient line leading up to Nimrod and beyond, a family from Japheth and Ham.
And Shem, one of Noah's sons that was blessed and from whom the Hebrew ancestry derives.
After the naked Noah incident of which Shem was guilty with Ham, God did an astounding thing. He cursed Ham but placed blessing over Shem. Both guilty but one absolved.
26 And he said,
Blessed be the LORD God of Shem;
Gen. 9:26.
And already Shem and God had relationship. Like father (Noah), like son (Shem), who we can discern was also a man who found grace in the eyes of the Lord as God blessed him identifying the LORD as His God. The minimal record of Noah's three sons' descendants shows up in Genesis 10.
Now, pay attention.
Abraham was the first declared Hebrew, first before the time it was in Abraham that a special people was to be used of God for a special purpose. Suddenly there were two kinds of people. Hebrew and Gentile (non-Hebrew) and God is making distinction between the family of Shem against the families of Ham and Japheth. As a matter of fact STUDY the families from Genesis 4. I did and it is a difficult task. So, unless you've actually studied the Genesis genealogy then you don't know what you're talking about and definitely will come up with the fantastical teaching from Gentiles that "sons of God" meant "angels" which is the error you hold to because you've never independently studied the family lines of "seed of the woman (obedient and in relationship with God), and the seed of the serpent (disobedient and NOT in relationship with God.)
The term goyim came to mean “not Jewish” and holds that meaning today.
The Jews today are seen as the entire people of the twelve tribes. The difference between terms Jewish and Israelite are critical as well.
Genesis 1-12 Gentile meant any and all nations all wrapped into one ball, both obedient Sethian line identified as "sons of God", and the disobedient line identified as "daughters of men" such as from which Nimrod eventually was born. Just follow the family births in Genesis 10 and 11.
Genesis 13 forward goyim makes its first significant shift means all nations not Hebrew nations. The only Hebrew nation to exist is Israel. But there are non-Hebrews born to Abe and Sarai but only to be identified "nations" and yet not-Hebrew and not possessing the Promises. It's confusing but it is understandable.
Even in Genesis 17 "nations" didn't mean "non-Hebrew" but a people who did not receive the promise for how can a biological
non-Hebrew be born to a Hebrew man (Abe) and a Hebrew woman (Sarai)?
16 And I will bless her, and give thee a son also of her: yea, I will bless her, and she shall be a mother of nations; kings of people shall be of her. Gen. 17:16.
Sarai was a "mother of nations" but these "nations" are not non-Hebrew Gentile because it is impossible for non-Hebrews to be born of two Hebrew parents. When used of Sarah in means a people who do not possess the Abrahamic Promises since Abraham had other children, but none were the children of Promise except Isaac. Then Jacob, then Jacob's twelve sons and their descendants.
Ishmael was non-Hebrew born to a Hebrew father and Egyptian mother. The promise went to Isaac who was the child of Promise meaning that from a dead womb a miracle birth would occur, the birth of a Hebrew son born to two Hebrew parents, a birth in whom the Abrahamic Promises would pass. Then there is Jacob born to two Hebrew parents, and Esau also born of two Hebrew parents but not considered Hebrew because he sold his birthright of being Hebrew to his brother and twin, Jacob. All this was planned of God. So, if God ordained to put in Esau's heart to sell his birthright is God solely to blame?
Someone needs to study the bible under the anointing rather than studying it in the flesh relying on Gentile commentaries and theology because even in the Gentile 'church' there are those obedient living in the Spirit and those disobedient living carnal lives in the flesh.