Genesis 21:12-13
12
But God said to Abraham, "Be not displeased because of the boy and because of your slave woman. Whatever Sarah says to you, do as she tells you, for x through Isaac shall your offspring be named.
13
And I will make y a nation of the son of the slave woman also, because he is your offspring."
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Cross References
Romans 9:7
And not all are children of Abraham because they are his offspring, but "Through Isaac shall your offspring be named.
Hebrews 11:18
Of whom it was said, "Through Isaac shall your offspring be named.
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Cross References
Genesis 21:18
Up! Lift up the boy, and hold him fast with your hand, for I will make him into a great nation.
Genesis 16:10
The angel of the Lord also said to her, "I will surely multiply your offspring so that they cannot be numbered for multitude.
Genesis 17:20
As for Ishmael, I have heard you; behold, I have blessed him and will make him fruitful and multiply him greatly. He shall father twelve princes, and I will make him into a great nation.
English Standard Version (ESV) The Holy Bible, English Standard Version Copyright © 2001 by Crossway Bibles, a division of Good News Publishers.