8 “He also gave him a covenant of circumcision,+ and he became the father of Isaac+ and circumcised him on the eighth day,+ and Isaac became the father of Jacob, and Jacob of the 12 family heads.

11 And he received a sign+—namely, circumcision—as a seal of the righteousness by the faith he had while in his uncircumcised state, so that he might be the father of all those having faith+ while uncircumcised, in order for righteousness to be counted to them;