id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4383155,2159084,plaintiff,ap John,Mathew,,,"ap John, Mathew",0 4383156,2159084,plaintiff,Hopkyn,John ap Owen,,,"Hopkyn, John ap Owen",1 4383157,2159084,defendant,Blackway,William,yeoman,688323,"Blackway, William, of Patton, yeoman",0 4383158,2159084,defendant,Blackway,Francis,singleman,688323,"Blackway, Francis, of Patton, yeoman, singleman",1