Luke 22:56

Then a certain [servant] girl saw Peter sitting there in the light of the fire. As she stared at him she said, "This man was with Jesus, too."

Matthew 26:69

Now Peter was sitting outside in a courtyard and a servant-girl approached him and said, "You also were with Jesus, the Galilean."

Mark 14:6

But Jesus said, "Let her alone. Why are you bothering this woman? For she has done a kind deed to me.

Mark 14:17

When evening came, Jesus arrived [at the upstairs room] with the twelve apostles.

Mark 14:66-68

Now when Peter was in the courtyard downstairs [i.e., from where the Sanhedrin was having its meeting. See verse 55], one of the head priest's servant girls came in,

John 18:17

So, the slave-girl gatekeeper asked Peter, "Are you not one of this man's disciples, too?" "[No], I am not," Peter replied.

Treasury of Scripture Knowledge

Summary

But a certain maid beheld him as he sat by the fire, and earnestly looked upon him, and said, This man was also with him.

Bible References

A certain maid

Matthew 26:69
Now Peter was sitting outside in a courtyard and a servant-girl approached him and said, "You also were with Jesus, the Galilean."
Mark 14:6
But Jesus said, "Let her alone. Why are you bothering this woman? For she has done a kind deed to me.
John 18:17
So, the slave-girl gatekeeper asked Peter, "Are you not one of this man's disciples, too?" "[No], I am not," Peter replied.