Luke 1:13-20

But the angel said to him, "Fear not, Zacharias; because your supplication was heard; and your wife Elizabeth shall bear you a son, and you shall call his name John.

Romans 9:6-9

But it is not as though the word of God has failed: for they are not all Israel, who are of Israel;

Galatians 4:28-31

But ye, brethren, after the manner of 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
(as He spake to our fathers), to Abraham and to his seed forever."