id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4831251,2305804,plaintiff,Brey,John,,,"Brey, John",0 4831252,2305804,defendant,Burgh,William,chandler,586079,"Burgh, William, of Bedford, chandler",0 4831253,2305804,defendant,Milner,Robert,miller,766837,"Milner, Robert, of Clyfton, Bucks, miller",1