³⁰ Now Sarai was barren; she had no child.^(A)

⁹ But Sarah saw the son of Hagar the Egyptian, whom she had borne to Abraham, playing with her son Isaac.^[a](A)

²⁴ Now this is an allegory: these women are two covenants. One woman, in fact, is Hagar, from Mount Sinai, bearing children for slavery.