id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4283875,2124273,plaintiff,ap Thomas,Maurice,,,"ap Thomas, Maurice",0 4283876,2124273,defendant,ap Richard,Rice,gent,585869,"ap Richard, Rice, of of London, or of Garthmill, Montgomery, gent",0 4283877,2124273,defendant,ap Owen,David ap John ap Gruff,,591010,"ap Owen, David ap John ap Gruff, of Penryn, gent, administrators of",1 4283878,2124273,defendant,ap Owen,John ap Cadwalader,gent,591010,"(ap Owen, John ap Cadwalader, of Penryn, gent",2 4283879,2124273,defendant,ap Edward,Rice,gent,729685,"ap Edward, Rice, of London, or Barthowell, gent",3 4283880,2124273,defendant,Lloyd,John ap Meredith ao Jevan,gent,585869,"Lloyd, John ap Meredith ao Jevan, of London, or of Garthmill, Montgomery, gent",4