Genesis 17:20

And as concerning Ishmael also, I have heard thy request: lo, I will bless him and increase him, and multiply him exceedingly. Twelve princes shall he beget, and I will make a great nation of him.

Genesis 21:18

Arise and lift up the lad, and take him in thy hand, for I will make of him a great people."

Genesis 21:13

Moreover of the son of the bondwoman will I make a nation, because he is thy seed."

Genesis 16:10-12

And the angel of the LORD said unto her, "I will so increase thy seed, that it shall not be numbered for multitude."

Genesis 25:12-18

These are the generations of Ishmael, Abraham's son, which Hagar the Egyptian, Sara's handmaid, bare unto 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 the LORD said unto her, "I will so increase thy seed, that it shall not be numbered for multitude."

Twelve

Genesis 25:12
These are the generations of Ishmael, Abraham's son, which Hagar the Egyptian, Sara's handmaid, bare unto Abraham.

And i

Genesis 21:13
Moreover of the son of the bondwoman will I make a nation, because he is thy seed."

General references

Genesis 1:28
And God blessed them, and God said unto them, "Grow and multiply, and fill the earth and subdue it, and have dominion over the fishes of the sea, and over the fowls of the air, and over all the beasts that move on the earth.
Genesis 13:16
And I will make thy seed as the dust of the earth: so that if a man can number the dust of the earth, then shall thy seed also be numbered.
Genesis 21:13
Moreover of the son of the bondwoman will I make a nation, because he is thy seed."
Genesis 25:12
These are the generations of Ishmael, Abraham's son, which Hagar the Egyptian, Sara's handmaid, bare unto Abraham.