Romans 9:7

nor are they all children of Abraham because they are his descendants; but, "Through Isaac shall your descendants be named."

Hebrews 11:18

of whom it was said, "Through Isaac shall your descendants be called."

Luke 3:8

Therefore bear fruits worthy of repentance, and do not begin to say to yourselves, 'We have Abraham as our father.' For I tell you that God is able to raise up children to Abraham from these stones.

Luke 16:24-25

And he called out, 'Father Abraham, have mercy upon me, and send Lazarus to dip the tip of his finger in water and cool my tongue; for I am in agony in this flame.'

Luke 16:30

And he said, 'No, father Abraham; but if someone goes to them from the dead, they will repent.'

John 8:33

They answered him, "We are Abraham's descendants, and have never been in bondage to anyone. How can you say, 'You will be made free'?"

John 8:37-39

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

Galatians 4:23

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

Philippians 3:3

For we are the true circumcision, who worship in the Spirit of God, and glory in Christ Jesus, and put no confidence in the 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.

In isaac

Bible References

Because

Luke 3:8
Therefore bear fruits worthy of repentance, and do not begin to say to yourselves, 'We have Abraham as our father.' For I tell you that God is able to raise up children to Abraham from these stones.
Luke 16:24
And he called out, 'Father Abraham, have mercy upon me, and send Lazarus to dip the tip of his finger in water and cool my tongue; for I am in agony in this flame.'
John 8:37
I know that you are Abraham's descendants, yet you seek to kill me, because my word has no place in you.
Philippians 3:3
For we are the true circumcision, who worship in the Spirit of God, and glory in Christ Jesus, and put no confidence in the flesh,

In isaac

Hebrews 11:18
of whom it was said, "Through Isaac shall your descendants be called."