Acts 7:8

Amplified Bible, Classic Edition

⁸ And [God] made with Abraham a covenant (an agreement to be religiously observed) ^[a]of which circumcision was the seal. And under these circumstances [Abraham] became the father of Isaac and circumcised him on the eighth day; and Isaac [did so] when he became the father of Jacob, and Jacob [when each of his sons was born], the twelve patriarchs.^(A)