But God replied, “Your wife Sarah will indeed bear you a son, and you are to name him Isaac. I will establish My covenant with him as an everlasting covenant for his descendants after him.
Jewish Publication Society of America Version (JPS1917) - Genesis 17:19 >And God said: 'Nay, but Sarah thy wife shall bear thee a son; and thou shalt call his name Isaac; and I will establish My covenant with him for an everlasting covenant for his seed after him.