id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3865126,1978539,plaintiff,Merche,John,mercer,585869,"Merche, John, of London, mercer",0 3865127,1978539,defendant,Attforton,John,chapman,641984,"Attforton, John, of Lempster, Herefs, chapman",0 3865128,1978539,defendant,Agwilliam,John,chapman,589541,"Agwilliam, John, of Lempster, chapman",1