¹⁹ Then God said, “Yes, but your wife Sarah will bear you a son,^(A) and you will call him Isaac.^[a](B) I will establish my covenant with him^(C) as an everlasting covenant^(D) for his descendants after him.

²¹ But my covenant^(A) I will establish with Isaac, whom Sarah will bear to you^(B) by this time next year.”^(C)

³ Abraham gave the name Isaac^[a](A) to the son Sarah bore him. ⁴ When his son Isaac was eight days old, Abraham circumcised him,^(B) as God commanded him. ⁵ Abraham was a hundred years old^(C) when his son Isaac was born to him.