Hebrews 11:18

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

Genesis 21:12

Then God said unto Abraham, Let it not be grievous in thy sight because of the lad and because of thy bondwoman; in all that Sarah has said unto thee, hearken unto her voice; for in Isaac shall thy seed be called.

Romans 9:7

neither, because they are the seed of Abraham, are all sons, but, In Isaac shall thy seed be called.

Genesis 17:19

And God said, Sarah thy wife shall bear thee a son indeed, and thou shalt call his name Isaac (laughter); and I will confirm 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 unto 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 cut the wood for the burnt offering and rose up and went unto the place of which God had told him.