id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4239689,2109513,plaintiff,Vaughan,John Owen,gent,,"Vaughan, John Owen, gent",0 4239690,2109513,defendant,Gethyn,John,gent,706739,"Gethyn, John, of Churchstocke, Montgomery, gent",0 4239691,2109513,defendant,ap David,David ap Rees ap John,gent,721430,"ap David, David ap Rees ap John, of Llanlligan, Montgomery, gent",1 4239692,2109513,defendant,ap John,Jevan,gent,721431,"ap John, Jevan, of Gillesfeild, Montgomery, gent",2