(Rom. 9:6-7) "Not as though the word of God hath taken none effect. For they are not all Israel, which are of Israel: Neither, because they are the seed of Abraham, are they all children: but, in Isaac shall thy seed be called."
(Rom. 9:8-9) "That is, They which are the children of the flesh, these are not the children of God: but the children of the promise are counted for the seed. For this is the word of promise, At this time will I come, and Sara shall have a son."
Paul established at the beginning of (Rom. 9) that he is talking about Israelites. His brethren and kinsmen according to the flesh. (Rom. 9:3) Thus within Israel, you have those who are 'children of the flesh'. They are born of Abraham and of the tribes of Israel, but they are not true Israel. Why? Because 'in Isaac' is the true seed called. The true Israel of God is born of Abraham, born of the tribes of Israel, and a child of promise.
And one day, all of Israel will be the true Israel of God. All will be children of promise. Which will occur when the blindness of Israel is lifted. (Rom. 11:25-26) "...that blindness in part is happened to Israel, until the fulness of the Gentiles be come in. And so all Israel shall be saved...."
Lees
It is that part about the promise that is critically important. The implication is that the child of
promise is the one through whom God's promises would be fulfilled or realized,
not any child of bloodline. More importantly, Paul is appealing to Abraham and Isaac (and by extensions Isaac's progeny, Jacob = the first person called "Israel") before Jews ever existed, before a geo-political nation-stated named after God's covenant name for Jacob ever existed. Paul is saying the identity of "true" Israel (as you call it) lays in the promises made hundreds of years before bloodline Israel, bloodline kinsmen of Paul, ever existed.
I gave plenty of Scripture supporting my view.
The posts prove otherwise.
What was posted are six verses from the same book of the Bible. That is not "plenty." At best it is a small sampling of scripture. At worst it may prove to be an eisegetic quote mine

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Plenty of scripture was used in this thread
HERE. Give my posts (plural) there a read. There relevant scripture is sampled from the beginning to the end of the Bible and rarely is a single verse removed from its surrounding text or its stated context(s) ignored.
I gave plenty of Scripture supporting my view.
It is not clear from the posts what, exactly, is your view.
.....So...who is deceived?
Lees
.......Then ask yourself, who is deceived?
Lees
I gave Scripture, and you simply come back and say 'you are deceived'.
It would be good for you to pay attention to what is said.
Can we agree it is inappropriate to post accusations and personal attacks?
What time period is Paul addressing here? Answer: (1 Kings 19:18)
According to Paul's own words he is addressing the time in which he was living. He explicitly stated there existed "at the present time," a remnant and nowhere in the entire three-chapter narrative did he ever mention the 21st century.
Romans 9:27-28
And Isaiah cries out concerning Israel: “Though the number of the sons of Israel be as the sand of the sea, only a remnant of them will be saved, for the Lord will carry out his sentence upon the earth fully and without delay.”
That is what Paul stated near the beginning of his exposition. He then later stated...
Romans 11:5-6
In the same way then, there has also come to be at the present time a remnant according to God's gracious choice. But if it is by grace, it is no longer on the basis of works, otherwise grace is no longer grace.
The "all Israel" that is saved is not literally all Israel because not all of Israel is Israel. What will be saved is the children of promise (which Paul further defines as those upon whom God has mercy and those who live by faith), and those people are only a remnant of Israel, a remnant living at the present time. Paul's present time, not Justin Martyr's present time, not Augustine's present time, not Calvin's or Arminius' present time, nor Darby's or Spurgeon's present time. Not our present time. The only ones in the "all Israel" Paul explicitly states will be saved are those among the remnant living at the present time when he wrote that epistle. No other people and no other time are mentioned.