id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3973270,2015225,plaintiff,Grene,William,grocer,585869,"Grene, William, of London, grocer",0 3973271,2015225,defendant,North,Richard,merchant,586067,"North, Richard, of York, merchant",0 3973272,2015225,defendant,Harrison,Thomas,tanner,586067,"Harrison, Thomas, of York, tanner",1 3973273,2015225,defendant,Hamerton,John,,638785,"Hamerton, John, of Long Preston, Yorks",2