id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4737032,2276712,plaintiff,Trethygy,William,,,"Trethygy, William",0 4737033,2276712,defendant,Ton,John,,632660,"Ton, John, of St Anthony, vicar",0 4737034,2276712,defendant,Ton_,John,fisher,793700,"Ton_, John, of Ennefowe, fisher",1 4737035,2276712,defendant,Jamys,Ralph,,793701,"Jamys, Ralph, of Melyn Trewothek, mill ward",2