Genesis 17:20

And for Ishmael I have heard thee: behold, I will bless him, and will make him fruitful, and will very greatly multiply him; twelve princes shall he beget, and I will make him a great nation.

Genesis 21:18

Arise, take the lad, and hold him in thy hand; for I will make of him a great nation.

Genesis 21:13

But also the son of the handmaid will I make a nation, because he is thy seed.

Genesis 16:10-12

And the Angel of Jehovah said to her, I will multiply thy seed exceedingly, that it shall not be numbered for multitude.

Genesis 25:12-18

And these are the generations of Ishmael, Abraham's son, whom Hagar the Egyptian, Sarah's bondwoman, bore to Abraham.

Treasury of Scripture Knowledge

Summary

And as for Ishmael, I have heard thee: Behold, I have blessed him, and will make him fruitful, and will multiply him exceedingly; twelve princes shall he beget, and I will make him a great nation.

I have blessed

Twelve

Bible References

I have blessed

Genesis 16:10
And the Angel of Jehovah said to her, I will multiply thy seed exceedingly, that it shall not be numbered for multitude.

Twelve

Genesis 25:12
And these are the generations of Ishmael, Abraham's son, whom Hagar the Egyptian, Sarah's bondwoman, bore to Abraham.

And i

Genesis 21:13
But also the son of the handmaid will I make a nation, because he is thy seed.

General references

Genesis 1:28
And God blessed them; and God said to them, Be fruitful and multiply, and fill the earth, and subdue it; and have dominion over the fish of the sea, and over the fowl of the heavens, and over every animal that moveth on the earth.
Genesis 13:16
And I will make thy seed as the dust of the earth, so that if any one can number the dust of the earth, thy seed also will be numbered.
Genesis 21:13
But also the son of the handmaid will I make a nation, because he is thy seed.
Genesis 25:12
And these are the generations of Ishmael, Abraham's son, whom Hagar the Egyptian, Sarah's bondwoman, bore to Abraham.