The document summarizes how each of the 12 apostles of Jesus died as martyrs for their faith. It describes that Matthew was killed by a sword wound in Ethiopia. Mark was dragged through the streets by horses in Alexandria until he died. Luke was hanged in Greece for his preaching. John was boiled in oil but survived and later died peacefully. Peter was crucified upside down in Rome. The other apostles were martyred through various means, including stoning, beating, crucifixion, and other forms of execution.