Genesis 17:16-17

17:16 I will bless her and will give you a son through her. I will bless her and she will become a mother of nations. Kings of countries will come from her!”

17:17 Then Abraham bowed down with his face to the ground and laughed as he said to himself, “Can a son be born to a man who is a hundred years old? Can Sarah bear a child at the age of ninety?”

Luke 1:13

1:13 But the angel said to him, “Do not be afraid, Zechariah, for your prayer has been heard, and your wife Elizabeth will bear you a son; you will name him John.

Luke 1:30-31

1:30 So the angel said to her, “Do not be afraid, Mary, for you have found favor with God! 1:31 Listen: You will become pregnant and give birth to a son, and you will name him Jesus.