Genesis 17:15
And Elohim said unto Abraham, As for Sarai your wife, you shall not call her name Sarai, but Sarah her name .
ā The Restored Word Bible
Context
13 He that is born in your house, and he that is bought with your money, must needs be circumcised: and my covenant shall be in your flesh for an everlasting covenant.
14 And the uncircumcised man child whose flesh of his foreskin is not circumcised, that soul shall be cut off from his people; he has broken my covenant.
15 And Elohim said unto Abraham, As for Sarai your wife, you shall not call her name Sarai, but Sarah her name .
16 And I will bless her, and give you a son also of her: yes, I will bless her, and she shall be of nations; kings of people shall be of her.
17 Then Abraham fell upon his face, and laughed, and said in his heart, Shall be born unto him that is an hundred years old? and shall Sarah, that is ninety years old, bear?