Genesis 17
10 Ref This is my covenant, which ye shall keep, between me and you and thy seed after thee: every male among you shall be circumcised.
11 Ref And ye shall be circumcised in the flesh of your foreskin; and it shall be a token of a covenant betwixt me and you.
12 Ref And he that is eight days old shall be circumcised among you, every male throughout your generations, he that is born in the house, or bought with money of any foreigner that is not of thy seed.
13 Ref He that is born in thy house, and he that is bought with thy money, must needs be circumcised: and my covenant shall be in your flesh for an everlasting covenant.
14 Ref And the uncircumcised male who is not circumcised in the flesh of his foreskin, that soul shall be cut off from his people; he hath broken my covenant.
15 Ref And God said unto Abraham, As for Sarai thy wife, thou shalt not call her name Sarai, but Sarah shall her name be.
16 Ref And I will bless her, and moreover I will give thee a son of her: yea, I will bless her, and she shall be `a mother of' nations; kings of peoples shall be of her.
17 Ref Then Abraham fell upon his face, and laughed, and said in his heart, Shall a child be born unto him that is a hundred years old? and shall Sarah, that is ninety years old, bear?
18 Ref And Abraham said unto God, Oh that Ishmael might live before thee!
19 Ref 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.
20 Ref And as for Ishmael, I have heard thee: behold, I have blessed him, and will make him fruitful, and will multiply him exceedingly; twelve princes shall he beget, and I will make him a great nation.
21 Ref But my covenant will I establish with Isaac, whom Sarah shall bear unto thee at this set time in the next year.
22 Ref And he left off talking with him, and God went up from Abraham.
23 Ref And Abraham took Ishmael his son, and all that were born in his house, and all that were bought with his money, every male among the men of Abraham's house, and circumcised the flesh of their foreskin in the selfsame day, as God had said unto him.
24 Ref And Abraham was ninety years old and nine, when he was circumcised in the flesh of his foreskin.
25 And Ishmael his son was thirteen years old, when he was circumcised in the flesh of his foreskin.
26 Ref In the selfsame day was Abraham circumcised, and Ishmael his son.
27 Ref And all the men of his house, those born in the house, and those bought with money of a foreigner, were circumcised with him.