King James Version
And, behold, the word of the LORD came unto him, saying, This shall not be thine heir; but he that shall come forth out of thine own bowels shall be thine heir.English Standard Version
And behold, the word of the LORD came to him: "This man shall not be your heir; your very own son shall be your heir."New International Version
Then the word of the LORD came to him: "This man will not be your heir, but a son coming from your own body will be your heir."