• Gen 17:16 — And I will bless her, and give thee a son also of her: yea, I will bless her, and she shall be a mother of nations; kings of people shall be of her.
• Gen 18:10 — And he said, I will certainly return unto thee according to the time of life; and, lo, Sarah thy wife shall have a son. And Sarah heard it in the tent door, which was behind him.
• Gen 21:1 — And the LORD visited Sarah as he had said, and the LORD did unto Sarah as he had spoken.
• Gen 21:2 — For Sarah conceived, and bare Abraham a son in his old age, at the set time of which God had spoken to him.
• Isa 54:1 — Sing, O barren, thou that didst not bear; break forth into singing, and cry aloud, thou that didst not travail with child: for more are the children of the desolate than the children of the married wi

3 Christian traditions affirm this interpretation.

• Evangelical · Evangelical
• Patristic · Patristic
• Reformed · Reformed

8 passages from 5 historic works cite scripture this interpretation depends on.

• Catechism of the Catholic Church · 3 passages
• City of God · 2 passages
• Antiquities of the Jews · 1 passage
• Against Heresies (Adversus Haereses) · 1 passage
• First Apology · 1 passage