Genesis 17:19
And God said, Nay, but Sarah thy wife shall bear thee a son; and thou shalt call his name Isaac: and I will establish my covenant with him for an everlasting covenant for his seed after him.
Genesis 21:2-3
And Sarah conceived, and bare Abraham a son in his old age, at the set time of which God had spoken to him.
Genesis 17:21
But my covenant will I establish with Isaac, whom Sarah shall bear unto thee at this set time in the next year.
Genesis 18:10-14
And he said, I will certainly return unto thee when the season cometh round; and, lo, Sarah thy wife shall have a son. And Sarah heard in the tent door, which was behind him.
Genesis 21:6
And Sarah said, God hath made me to laugh. Every one that heareth will laugh with me.
Genesis 26:3
Sojourn in this land, and I will be with thee, and will bless thee. For unto thee, and unto thy seed, I will give all these lands, and I will establish the oath which I sware unto Abraham thy father.
2 Kings 4:16-17
And he said, At this season, when the time cometh round, thou shalt embrace a son. And she said, Nay, my lord, thou man of God, do not lie unto thy handmaid.
Luke 1:13-20
But the angel said unto him, Fear not, Zacharias: because thy supplication is heard, and thy wife Elisabeth shall bear thee a son, and thou shalt call his name John.
Romans 9:6-9
But it is not as though the word of God hath come to nought. For they are not all Israel, that are of Israel:
Galatians 4:28-31
Now we, brethren, as Isaac was, are children of promise.