id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4495182,2199177,plaintiff,Burton,William de,mercer,586067,"Burton, William de, of York, mercer",0 4495183,2199177,defendant,Erkenden,Richard de,,763210,"Erkenden, Richard de, of Knareburgh",0 4495184,2199177,defendant,Kay,John,,763211,"Kay, John, of Erkenden",1