Acts 7:8 KJV
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.
Acts 7:8, King James Version
In context
7 And the nation to whom they shall be in bondage will I judge, said God: and after that shall they come forth, and serve me in this place.
8 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.
9 And the patriarchs, moved with envy, sold Joseph into Egypt: but God was with him,