21 But I will establish my covenant with Isaac, whom Sarah shall bear unto thee at this set time in the next year.
22 And he left off talking with him, and God went up from Abraham.
23 Then Abraham took Ishmael his son and all the servants 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 that same day as God had said unto him.
24 And Abraham was ninety-nine years old 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 In that same day Abraham was circumcised and Ishmael his son.
27 And all the men of his house, born in the house and bought with money from strangers, were circumcised with him.