id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4878502,2320222,plaintiff,Thomas,William,,,"Thomas, William",0 4878503,2320222,defendant,Smyth,John,merchant,592631,"Smyth, John, of Bruggewater, merchant",0 4878504,2320222,defendant,Marchefeld,Thomas,merchant,592631,"Marchefeld, Thomas, of Bruggewater, merchant",1 4878505,2320222,defendant,Ayleward,John,merchant,592631,"Ayleward, John, of Bruggewater, merchant",2