Genesis 21:2-3

2And Sarah aconceived and bore Abraham a son in his old age bat the time of which God had spoken to him. 3Abraham called the name of his son who was born to him, whom Sarah bore him, cIsaac.
 Isaac means he laughs

Numbers 23:19

19 eGod is not man, that he should lie,
or a son of man, that he should change his mind.
Has he said, and will he not do it?
Or has he spoken, and will he not fulfill it?

Luke 1:13

13But the angel said to him, “Do not be afraid, Zechariah, for fyour prayer has been heard, and your wife Elizabeth will bear you a son, and gyou shall call his name John.

Luke 2:6-7

6And hwhile they were there, the time came for her to give birth. 7And she gave birth to her firstborn son and iwrapped him in swaddling cloths and jlaid him in a manger, because there was no place for them in kthe inn.

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