20. Now as for Ishmael, I will heed you: I hereby bless him. I will make him fertile and will multiply him exceedingly. He will become the father of twelve chieftains, and I will make of him a great nation.
21. But my covenant I will maintain with Isaac, whom Sarah shall bear to you by this time next year.
22. When he had finished speaking with Abraham, God departed from him.
23. Then Abraham took his son Ishmael and all his slaves, whether born in his house or acquired with his money—every male among the members of Abraham’s household—and he circumcised the flesh of their foreskins on that same day, as God had told him to do.
24. Abraham was ninety-nine years old when the flesh of his foreskin was circumcised,
25. and his son Ishmael was thirteen years old when the flesh of his foreskin was circumcised.
26. Thus, on that same day Abraham and his son Ishmael were circumcised;
27. and all the males of his household, including the slaves born in his house or acquired with his money from foreigners, were circumcised with him.