Cross reference
Genesis 18:10
10 He said, "I will certainly return to you when the season comes round. Behold, Sarah your wife will have a son." Sarah heard in the tent door, which was behind him.
Genesis 21:2
2 Sarah conceived, and bore Abraham a son in his old age, at the set time of which God had spoken to him.
Genesis 17:21
21 But my covenant I establish with Isaac, whom Sarah will bear to you at this set time in the next year."
Genesis 17:19
19 God said, "No, but Sarah, your wife, will bear you a son. You shall call his name Isaac.{Isaac means "he laughs."} I will establish my covenant with him for an everlasting covenant for his seed after him.
Galatians 4:28
28 Now we, brothers, as Isaac was, are children of promise.
Galatians 4:23
23 However, the son by the handmaid was born according to the flesh, but the son by the free woman was born through promise.
Romans 9:8-9
8 That is, it is not the children of the flesh who are children of God, but the children of the promise are counted as a seed.
9 For this is a word of promise, "At the appointed time I will come, and Sarah will have a son."
Luke 1:13
13 But the angel said to him, "Don't be afraid, Zacharias, because your request has been heard, and your wife, Elizabeth, will bear you a son, and you shall call his name John.
2 Kings 4:16-17
16 He said, At this season, when the time comes round, you shall embrace a son. She said, No, my lord, you man of God, do not lie to your handmaid.
17 The woman conceived, and bore a son at that season, when the time came round, as Elisha had said to her.
Judges 13:3-5
3 The angel of Yahweh appeared to the woman, and said to her, See now, you are barren, and don't bear; but you shall conceive, and bear a son.
4 Now therefore please beware and drink no wine nor strong drink, and don't eat any unclean thing:
5 for, behold, you shall conceive, and bear a son; and no razor shall come on his head; for the child shall be a Nazirite to God from the womb: and he shall begin to save Israel out of the hand of the Philistines.
Genesis 22:15-16
15 The angel of Yahweh called to Abraham a second time out of the sky,
16 and said, "I have sworn by myself, says Yahweh, because you have done this thing, and have not withheld your son, your only son,
Genesis 18:13-14
13 Yahweh said to Abraham, "Why did Sarah laugh, saying, 'Will I really bear a child, yet I am old?'
14 Is anything too hard for Yahweh? At the set time I will return to you, when the season comes round, and Sarah will have a son."
Genesis 17:16
16 I will bless her, and moreover I will give you a son by her. Yes, I will bless her, and she will be a mother of nations. Kings of peoples will come from her."
Genesis 16:10
10 The angel of Yahweh said to her, "I will greatly multiply your seed, that they will not be numbered for multitude."