Genesis 17:21

21But aI will establish my covenant with Isaac, bwhom Sarah shall bear to you at this time next year.”

Genesis 21:2

2And Sarah cconceived and bore Abraham a son in his old age dat the time of which God had spoken to him.

2 Kings 4:16-17

16And he said, “At this season, eabout this time next year, you shall embrace a son.” And she said, “No, my lord, fO man of God; gdo not lie to your servant.” 17But the woman conceived, and she bore a son about that time hthe following spring, as Elisha had said to her.

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