John 18:9

This was to fulfill the word that he had spoken: "Of those whom you gave me I have lost not one."

John 17:12

While I was with them, I kept them in your name, which you have given me. I have guarded them, and not one of them has been lost except the son of destruction, that the Scripture might be fulfilled.

Treasury of Scripture Knowledge

Summary

That the saying might be fulfilled, which he spake, Of them which thou gavest me have I lost none.

Bible References

Of

John 17:12
While I was with them, I kept them in your name, which you have given me. I have guarded them, and not one of them has been lost except the son of destruction, that the Scripture might be fulfilled.

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.