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.