Hebrews 11:18

Of whom it was said, That in Isaac shall your descendants be called:

Genesis 21:12

And God said unto Abraham, Let it not be displeasing in your sight because of the lad, and because of your bondwoman; in all that Sarah has said unto you, listen unto her voice; for in Isaac shall your descendants be called.

Romans 9:7

Neither, because they are the descendants of Abraham, are they all children: but, In Isaac shall your descendants 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 descendants 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 unto him, whom Sarah bore to him, Isaac.

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