John 21:20

Peter turned round and noticed the disciple whom Jesus loved following--the one who at the supper had leaned back on His breast and had asked, "Master, who is it that is betraying you?"

John 21:7

This made the disciple whom Jesus loved say to Peter, "It is the Master." Simon Peter therefore, when he heard the words, "It is the Master," drew on his fisherman's shirt--for he had not been wearing it--put on his girdle, and sprang into the water.

John 20:2

So she ran, as fast as she could, to find Simon Peter and the other disciple--the one who was dear to Jesus--and to tell them, "They have taken the Master out of the tomb, and we do not know where they have put Him."

John 13:23-26

There was at table one of His disciples--the one Jesus loved-- reclining with his head on Jesus's bosom.

John 21:24

That is the disciple who gives his testimony as to these matters, and has written this history; and we know that his testimony is true.

Treasury of Scripture Knowledge

Summary

Then Peter, turning about, seeth the disciple whom Jesus loved following; which also leaned on his breast at supper, and said, Lord, which is he that betrayeth thee?

Bible References

Seeth

John 21:7
This made the disciple whom Jesus loved say to Peter, "It is the Master." Simon Peter therefore, when he heard the words, "It is the Master," drew on his fisherman's shirt--for he had not been wearing it--put on his girdle, and sprang into the water.
John 20:2
So she ran, as fast as she could, to find Simon Peter and the other disciple--the one who was dear to Jesus--and to tell them, "They have taken the Master out of the tomb, and we do not know where they have put Him."

Which

John 13:23
There was at table one of His disciples--the one Jesus loved-- reclining with his head on Jesus's bosom.
John 20:2
So she ran, as fast as she could, to find Simon Peter and the other disciple--the one who was dear to Jesus--and to tell them, "They have taken the Master out of the tomb, and we do not know where they have put Him."