Galatians 4:23 References
23 But athe son by the bondwoman was born according to the flesh, and bthe son by the free woman through the promise.
b Genesis 17:16, Genesis 18:10, Genesis 21:1, Galatians 4:28, Hebrews 11:11
16 "I will bless her, and indeed I will give you aa son by her. Then I will bless her, and she shall be a mother of nations; bkings of peoples will come from her."
10 He said, "aI will surely return to you at this time next year; and behold, Sarah your wife will have a son." And Sarah was listening at the tent door, which was behind him.