Luke 1:13-20
But 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
It is not possible that the word of God has failed; for they are not all Israel who are of Israel.
Galatians 4:28-31
We, indeed, brethren, like Isaac, are children of 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
by remembering his mercy to Abraham and to his posterity forever.