id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5407330,2477159,plaintiff,Wallingford,William,,587015,"Wallingford, William, of St Albans, abbot",0 5407331,2477159,defendant,Swerder,William,yeoman,591820,"Swerder, William, of Harlowe, yeoman",0