id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5411777,2478478,plaintiff,Couper,John,,585869,"Couper, John, of London, mercer, administrators of",0 5411778,2478478,plaintiff,Pykton,John,,,"(Pykton, John",1 5411779,2478478,plaintiff,Pykton,Margaret,relict of John Couper,,"Margaret, his wife, relict of John Couper",2 5411780,2478478,defendant,Bukman,Thomas,chapman,884857,"Bukman, Thomas, of Faryngton, Oxon, chapman",0 5411781,2478478,defendant,Mercer,William,chapman,668370,"Mercer, William, of Maunsfeld, Notts, chapman",1 5411782,2478478,defendant,Lyghtfote,John,chapman,586067,"Lyghtfote, John, of York, chapman",2 5411783,2478478,defendant,Boswell,John,chapman,601657,"Boswell, John, of Doncaster, Yorks, chapman",3