⁸ Then he gave Abraham the covenant of circumcision.^(A) And Abraham became the father of Isaac and circumcised him eight days after his birth.^(B) Later Isaac became the father of Jacob,^(C) and Jacob became the father of the twelve patriarchs.^(D)

²³ His son by the slave woman was born according to the flesh,^(A) but his son by the free woman was born as the result of a divine promise.^(B)

¹¹ And by faith even Sarah, who was past childbearing age,^(A) was enabled to bear children^(B) because she^[a] considered him faithful^(C) who had made the promise.