Hebrews 11:18
even he to whom it was said, In Isaac shall thy seed be called:
Genesis 21:12
And God said unto Abraham, Let it not be grievous in thy sight because of the lad, and because of thy handmaid. In all that Sarah saith unto thee, hearken unto her voice. For in Isaac shall thy seed be called.
Romans 9:7
neither, because they are Abraham's seed, are they all children: but, In Isaac shall thy seed be called.
Genesis 17:19
And God said, Nay, but Sarah thy wife shall bear thee a son; and thou shalt call his name Isaac: and I will establish my covenant with him for an everlasting covenant for his seed after him.