Galatians 4:23

But the son by the bondwoman was born according to the flesh, and the son by the free woman through the promise.

Hebrews 11:11

By faith even Sarah herself received ability to conceive, even beyond the proper time of life, since she considered Him faithful who had promised.

Genesis 18:10-14

He said, “I will surely return to you at this time next year; and behold, Sarah your wife will have a son.” And Sarah was listening at the tent door, which was behind him.

Genesis 21:1-2

Then the Lord took note of Sarah as He had said, and the Lord did for Sarah as He had promised.

Romans 9:7-8

nor are they all children because they are Abraham’s descendants, but: “through Isaac your descendants will be named.”

Genesis 17:15-19

Then God said to Abraham, “As for Sarai your wife, you shall not call her name Sarai, but Sarah shall be her name.

Romans 4:18-21

In hope against hope he believed, so that he might become a father of many nations according to that which had been spoken, “So shall your descendants be.”

Romans 10:8

But what does it say? “The word is near you, in your mouth and in your heart”—that is, the word of faith which we are preaching,

Galatians 4:28-29

And you brethren, like Isaac, are children of promise.

Treasury of Scripture Knowledge

Summary

But he who was of the bondwoman was born after the flesh; but he of the freewoman was by promise.

Born

General references

Bible References

Born

Romans 9:7
nor are they all children because they are Abraham’s descendants, but: “through Isaac your descendants will be named.”

But

Genesis 17:15
Then God said to Abraham, “As for Sarai your wife, you shall not call her name Sarai, but Sarah shall be her name.
Genesis 18:10
He said, “I will surely return to you at this time next year; and behold, Sarah your wife will have a son.” And Sarah was listening at the tent door, which was behind him.
Genesis 21:1
Then the Lord took note of Sarah as He had said, and the Lord did for Sarah as He had promised.
Romans 4:18
In hope against hope he believed, so that he might become a father of many nations according to that which had been spoken, “So shall your descendants be.”
Romans 10:8
But what does it say? “The word is near you, in your mouth and in your heart”—that is, the word of faith which we are preaching,
Hebrews 11:11
By faith even Sarah herself received ability to conceive, even beyond the proper time of life, since she considered Him faithful who had promised.

General references

Galatians 4:28
And you brethren, like Isaac, are children of promise.