Genesis 18:10
And he said, I will certainly come back to you in the spring, and Sarah your wife will have a son. And his words came to the ears of Sarah who was at the back of the tent-door.
Genesis 21:2
And Sarah became with child, and gave Abraham a son when he was old, at the time named by God.
Genesis 17:21
But my agreement will be with Isaac, to whom Sarah will give birth a year from this time.
Genesis 17:19
And God said, Not so; but Sarah, your wife, will have a son, and you will give him the name Isaac, and I will make my agreement with him for ever and with his seed after him.
Genesis 16:10
And the angel of the Lord said, Your seed will be greatly increased so that it may not be numbered.
Genesis 17:16
And I will give her a blessing so that you will have a son by her: truly my blessing will be on her, and she will be the mother of nations: kings of peoples will be her offspring.
Genesis 18:13-14
And the Lord said, Why was Sarah laughing and saying, Is it possible for me, being old, to give birth to a child?
Genesis 22:15-16
And the voice of the angel of the Lord came to Abraham a second time from heaven,
Judges 13:3-5
And the angel of the Lord came to the woman, and said to her, See now! though you have never given birth to children, you will be with child and give birth to a son.
2 Kings 4:16-17
And Elisha said, At this time in the coming year you will have a son in your arms. And she said, No, my lord, O man of God, do not say what is false to your servant.
Luke 1:13
But the angel said, Have no fear, Zacharias, for your prayer has come to the ears of God, and your wife Elisabeth will have a son, and his name will be John.
Romans 9:8-9
That is, it is not the children of the flesh, but the children of God's undertaking, who are named as the seed.
Galatians 4:23
Now the son by the servant-woman has his birth after the flesh; but the son by the free woman has his birth through the undertaking of God.
Galatians 4:28
Now we, brothers, as Isaac was, are the children of the undertaking of God.