Genesis 21:12

And God said to Abraham, Let it not be grievous in thy sight because of the lad and because of thy handmaid: in all that Sarah hath said to thee hearken to her voice, for in Isaac shall a seed be called to thee.

Hebrews 11:18

as to whom it had been said, In Isaac shall thy seed be called:

Genesis 17:19

And God said, Sarah thy wife shall indeed 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.

Genesis 17:21

But my covenant will I establish with Isaac, whom Sarah shall bear to thee at this appointed time in the next year.

1 Samuel 8:7

And Jehovah said to Samuel, Hearken unto the voice of the people in all that they say unto thee: for they have not rejected thee, but they have rejected me, that I should not reign over them.

1 Samuel 8:9

And now hearken unto their voice; only, testify solemnly unto them, and declare unto them the manner of the king that shall reign over them.

Isaiah 46:10

declaring the end from the beginning, and from ancient times the things that are not yet done, saying, My counsel shall stand, and I will do all my pleasure;

Romans 9:7-8

nor because they are seed of Abraham are all children: but, In Isaac shall a seed be called to thee.

Treasury of Scripture Knowledge

Summary

And 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 hath said unto thee, hearken unto her voice; for in Isaac shall thy seed be called.

General references

Bible References

Hearken

1 Samuel 8:7
And Jehovah said to Samuel, Hearken unto the voice of the people in all that they say unto thee: for they have not rejected thee, but they have rejected me, that I should not reign over them.
Isaiah 46:10
declaring the end from the beginning, and from ancient times the things that are not yet done, saying, My counsel shall stand, and I will do all my pleasure;

In isaac

Genesis 17:19
And God said, Sarah thy wife shall indeed 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.
Romans 9:7
nor because they are seed of Abraham are all children: but, In Isaac shall a seed be called to thee.
Hebrews 11:18
as to whom it had been said, In Isaac shall thy seed be called:

General references

Genesis 21:3
And Abraham called the name of his son who was born to him, whom Sarah bore to him, Isaac.
Genesis 25:5
And Abraham gave all that he had to Isaac.