id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4272947,2120514,plaintiff,Vaughan,John Owen,,,"Vaughan, John Owen",0 4272948,2120514,defendant,Gethyn,John,gent,727661,"Gethyn, John, of Churrchstocke, Montgomery, gent",0 4272949,2120514,defendant,ap David,David ap Rees ap John,gent,721430,"ap David, David ap Rees ap John, of Llanlligan, Montgomery, gent",1 4272950,2120514,defendant,ap John,Ivan,gent,727662,"ap John, Ivan, of Gyllsfeild, Montgomery, gent",2