id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5191153,2413151,plaintiff,Marner,William,purser,585869,"Marner, William, of London, purser",0 5191154,2413151,defendant,Denley,Walter,yeoman,617081,"Denley, Walter, of Charlebury, Oxon, yeoman",0