John 18:27

Peter again denied it; and at that moment a cock crowed.

John 13:38

"Will you lay down your life for me?" replied Jesus. "In truth I tell you, the cock will not crow till you have disowned me three times.

Matthew 26:34

"I tell you," replied Jesus, "that this very night, before the cock crows, you will disown me three times!"

Matthew 26:74-75

Then Peter began to swear, with most solemn imprecations: "I do not know the man." At that moment a cock crowed;

Mark 14:30

"I tell you," answered Jesus, "that you yourself today--yes, this very night--before the cock crows twice, will disown me three times."

Mark 14:68

But Peter denied it. "I do not know or understand what you mean," he replied. Then he went out into the porch;

Mark 14:71-72

But he began to swear with the most solemn imprecations: "I do not know the man you are speaking about."

Luke 22:34

"I tell you, Peter," replied Jesus, "the cock will not crow to-day till you have disowned all knowledge of me three times."

Luke 22:60-62

But Peter said: "I do not know what you are speaking about." Instantly, while he was still speaking, a cock crowed.

Treasury of Scripture Knowledge

Summary

Peter then denied again: and immediately the cock crew.

General references

Bible References

And

John 13:38
"Will you lay down your life for me?" replied Jesus. "In truth I tell you, the cock will not crow till you have disowned me three times.
Matthew 26:34
"I tell you," replied Jesus, "that this very night, before the cock crows, you will disown me three times!"
Mark 14:30
"I tell you," answered Jesus, "that you yourself today--yes, this very night--before the cock crows twice, will disown me three times."
Luke 22:34
"I tell you, Peter," replied Jesus, "the cock will not crow to-day till you have disowned all knowledge of me three times."

General references

John 20:6
Presently Simon Peter came following behind him, and went into the tomb; and he looked at the linen wrappings lying there,
Acts 7:24
And, seeing an Israelite ill-treated, he defended him, and avenged the man, who was being wronged, by striking down the Egyptian.