John Mark
Mark 14:71ESV·traditional attribution
But he began to invoke a curse on himself and to swear, “I do not know this man of whom you speak.”
Matthew Henry Presbyterian
We have here the story of Peter's denying Christ. 1. It began in keeping at a distance from him. Peter had followed afar off (Mar 14:54), and now was beneath in the palace, at the lower end of the hall.
Commenting on Mark 14:66-72