When Abram was ninety-nine years old, the Lord appeared to Abram, and said to him, "I am God Almighty; walk before me, and be blameless.
References for Genesis 17:1
And I will make my covenant between me and you, and will make you exceedingly numerous."
Then Abram fell on his face; and God said to him,
"As for me, this is my covenant with you: You shall be the ancestor of a multitude of nations.
No longer shall your name be Abram, but your name shall be Abraham; for I have made you the ancestor of a multitude of nations.
References for Genesis 17:5
I will make you exceedingly fruitful; and I will make nations of you, and kings shall come from you.