(Eaton, OH)--Two Camden brothers appeared in a Preble County courtroom Wednesday to be formally arraigned on charges involving the rape of underage girls.  David and Frankie Rader, who are ages 51 and 48, allegedly engaged in sexual offenses with a girl when she was between the ages of six and 13 years old.  They allegedly engaged in that conduct through force or threat of force.  Both brothers are being held in the Preble County Jail.