Hebrews 11:18

of whom it was said that in Isaac your Seed shall be called,

Genesis 21:12

And God said to Abraham, Let it not be grievous in your sight because of the boy and because of your slave woman. In all that Sarah has said to you, listen to her voice. For in Isaac your Seed shall be called.

Romans 9:7

nor because they are the seed of Abraham are they all children. But, "In Isaac shall your Seed be called."

Genesis 17:19

And God said, Sarah your wife shall bear you a son indeed. And you shall call his name Isaac. And I will establish My covenant with him for an everlasting covenant, and with his seed after him.

Treasury of Scripture Knowledge

Summary

Hebrews 11:18

Of whom it was said, That in Isaac shall thy seed be called:

General references

Genesis 21:3

Genesis 22:3

Bible References

General references

And Abraham called the name of his son that was born to him (whom Sarah bore to him) Isaac.

And Abraham rose up early in the morning, and saddled his ass, and took two of his young men with him, and Isaac his son. And he split the wood for the burnt offering, and rose up and went to the place of which God had told him.