“And he gave him the covenant of circumcision: and so Abraham begat Isaac, and circumcised him the eighth day; and Isaac begat Jacob; and Jacob begat the twelve patriarchs.”
King James Version (KJV)
7:8 And so he begat Isaac - After the covenant was given, of which circumcision was the seal. #Gen 17:10|.
Ac 7:8 And he gave him the covenant of circumcision. After his call and the promise of Christ. See Ge 17:1-14. The covenant of Christ was for all; circumcision for the Jews.