id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5604566,2536288,plaintiff,Rokeby,Ralph,,,"Rokeby, Ralph",0 5604567,2536288,plaintiff,Cheyney,William,,,"Cheyney, William",1 5604568,2536288,defendant,Pershey,Percival,gent,742412,"Pershey, Percival, of Bilton, gent",0