id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3921609,1997572,plaintiff,Polgrene or Polgrene,Otto,,,"Polgrene or Polgrene, Otto",0 3921610,1997572,defendant,Mason,"Thomas, junior",yeoman,636962,"Mason, Thomas, junior, of Padystowe, yeoman",0