Luke 1:13-20

And the angel said to him, "Do not be afraid, Zechariah, for your prayer has been heard. Your wife Elizabeth will bear you a son, and you are to name him John.

Romans 9:6-9

Not that God's message has failed. For not everybody who is descended from Israel really belongs to Israel,

Galatians 4:28-31

Now we, brothers, are like Isaac, children born in fulfilment of the promise.

Treasury of Scripture Knowledge

Summary

And God said, Sarah thy wife shall bear thee a son indeed; and thou shalt call his name Isaac: and I will establish my covenant with him for an everlasting covenant, and with his seed after him.

General references

Bible References

General references

Luke 1:55
As he promised our forefathers To have mercy on Abraham and his descendants forever!"