Thematic Bible: Circumcision of

This is my covenant with you and your descendants after you, the covenant you are to keep: Every male among you shall be circumcised. You are to undergo circumcision. It will be the sign of the covenant between us. For the generations to come every male among you who is eight days old must be circumcised. This includes those born in your household or bought with money from a foreigner, those who are not your offspring. read more.
Whether born in your household or bought with your money, they must be circumcised. My covenant in your flesh is to be a long lasting covenant. Any male not circumcised in the flesh will be cut off from his people. He has broken my covenant.

On that very day Abraham took his son Ishmael and all those born in his household or bought with his money, every male in his household, and circumcised them, as God told him. Abraham was ninety-nine years old when he was circumcised. His son Ishmael was thirteen. read more.
Abraham and his son Ishmael were both circumcised on that same day. Every male in Abraham's household, including those born in his household or bought from a foreigner, was circumcised with him.