John 18:27

So Peter denied it again, and immediately a rooster crowed.

John 13:38

Jesus answered, “Will you [really] lay down your life for Me? I assure you and most solemnly say to you, before a rooster crows you will deny and completely disown Me three times.

Matthew 26:34

Jesus said to him, “I assure you and most solemnly say to you, this night, before a rooster crows, you will [completely] deny Me three times.”

Matthew 26:74-75

Then he began to curse [that is, to invoke God’s judgment on himself] and swear [an oath], “I do not know the man!” And at that moment a rooster crowed.

Mark 14:30

Jesus said to him, “I assure you and most solemnly say to you, this very night, before a rooster crows twice, you will deny [that you even know] Me three times.”

Mark 14:68

But he denied it, saying, “I neither know nor understand what you are talking about.” Then he went out [of the courtyard] to the porch, [and a rooster crowed.]

Mark 14:71-72

But he began to invoke a curse [on himself] and to swear [an oath], “I do not know this man you are talking about!”

Luke 22:34

Jesus said, “I say to you, Peter, before the rooster crows today, you will [utterly] deny three times that you know Me.”

Luke 22:60-62

But Peter said, “Man, I do not know what you are talking about.” Immediately, while he was still speaking, a rooster crowed.

Treasury of Scripture Knowledge

Summary

Peter then denied again: and immediately the cock crew.

General references

Bible References

And

John 13:38
Jesus answered, “Will you [really] lay down your life for Me? I assure you and most solemnly say to you, before a rooster crows you will deny and completely disown Me three times.
Matthew 26:34
Jesus said to him, “I assure you and most solemnly say to you, this night, before a rooster crows, you will [completely] deny Me three times.”
Mark 14:30
Jesus said to him, “I assure you and most solemnly say to you, this very night, before a rooster crows twice, you will deny [that you even know] Me three times.”
Luke 22:34
Jesus said, “I say to you, Peter, before the rooster crows today, you will [utterly] deny three times that you know Me.”

General references

John 20:6
Then Simon Peter came up, following him, and went into the tomb and saw the linen wrappings [neatly] lying there;
Acts 7:24
And when he saw one [of them] being treated unfairly, he defended the oppressed man and avenged him by striking and killing the Egyptian.