Genesis 17:4
"As for me, behold, my covenant is with thee, and thou shalt be a father of many nations."
Cross References (ranked by relevance)
And God said unto him, I am God Almighty: be fruitful and multiply; a nation and a company of nations shall be of thee, and kings shall come out of thy loins;
And I will make of thee a great nation, and I will bless thee, and make thy name great; and thou shalt be a blessing:
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.
That in blessing I will bless thee, and in multiplying I will multiply thy seed as the stars of the heaven, and as the sand which is upon the sea shore; and thy seed shall possess the gate of his enemies;
And thou saidst, I will surely do thee good, and make thy seed as the sand of the sea, which cannot be numbered for multitude.
And the angel of the LORD said unto her, I will multiply thy seed exceedingly, that it shall not be numbered for multitude.
And his father refused, and said, I know it, my son, I know it: he also shall become a people, and he also shall be great: but truly his younger brother shall be greater than he, and his seed shall become a multitude of nations.