New International Version
19 Then God said, “Yes, but your wife Sarah will bear you a son,(C) and you will call him Isaac.[a](D) I will establish my covenant with him(E) as an everlasting covenant(F) for his descendants after him. 20 And as for Ishmael, I have heard you: I will surely bless him; I will make him fruitful and will greatly increase his numbers.(G) He will be the father of twelve rulers,(H) and I will make him into a great nation.(I)Read full chapter
- Genesis 17:19 Isaac means he laughs.