Luke 1:13-20

And the angel said to him, Fear not, Zachariah, for your prayer is heard, and your wife Elizabeth shall bear you a son; and you shall call his name John.

Romans 9:6-9

Not that the word of God has failed of being accomplished. For all are not Israel who are of Israel;

Galatians 4:28-31

But we, brothers, like Isaac, are children 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 said to our fathers, to Abraham and his posterity forever.