Romans 9:7

nor, because they are Abraham's seed, are they all children, rather, In Isaac a seed will be called for thee.

Genesis 21:12

And God said to Abraham, Let it not be grievous in thy sight because of the lad, and because of thy handmaid. In all that Sarah says to thee, hearken to her voice. For in Isaac shall thy seed be called.

Hebrews 11:18

about whom it was said, The seed by thee will be called in Isaac.

Luke 3:8

Bring forth therefore fruits worthy of repentance, and do not begin to say within yourselves, We have a father, Abraham. For I say to you, that God is able from these stones to raise up children to Abraham.

Luke 16:24-25

And having cried out, he said, Father Abraham, be merciful to me, and send Lazarus, so that he may dip the tip of his finger in water, and cool my tongue, because I am in agony in this flame.

Luke 16:30

And he said, No, father Abraham, but if some man would go to them from the dead they will repent.

John 8:33

They answered to him, We are Abraham's seed, and have been in bondage to no man, ever. How can thou say, Ye will become free?

John 8:37-39

I know that ye are Abraham's seed, yet ye seek to kill me, because my word has no place in you.

Galatians 4:23

But in fact, the man from the servant girl was born according to flesh, but the man from the freewoman through promise.

Philippians 3:3

For we are the circumcision, men who worship in spirit to God, and who boast in Christ Jesus, and not being confident in flesh.

Treasury of Scripture Knowledge

Summary

Neither, because they are the seed of Abraham, are they all children: but, In Isaac shall thy seed be called.

General references

Bible References

Because

Luke 3:8
Bring forth therefore fruits worthy of repentance, and do not begin to say within yourselves, We have a father, Abraham. For I say to you, that God is able from these stones to raise up children to Abraham.
Luke 16:24
And having cried out, he said, Father Abraham, be merciful to me, and send Lazarus, so that he may dip the tip of his finger in water, and cool my tongue, because I am in agony in this flame.
John 8:37
I know that ye are Abraham's seed, yet ye seek to kill me, because my word has no place in you.
Philippians 3:3
For we are the circumcision, men who worship in spirit to God, and who boast in Christ Jesus, and not being confident in flesh.

In isaac

Genesis 21:12
And God said to Abraham, Let it not be grievous in thy sight because of the lad, and because of thy handmaid. In all that Sarah says to thee, hearken to her voice. For in Isaac shall thy seed be called.
Hebrews 11:18
about whom it was said, The seed by thee will be called in Isaac.

General references

Genesis 21:3
And Abraham called the name of his son who was born to him, whom Sarah bore to him, Isaac.
Genesis 25:5
And Abraham gave all that he had to Isaac.