id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4438629,2181371,plaintiff,Aston,John de,,609411,"Aston, John de, of Salt",0 4438630,2181371,defendant,Jonkyn,Richard,,,"Jonkyn, Richard",0 4438631,2181371,defendant,Pulton,Roger,,,"Pulton, Roger",1 4438632,2181371,defendant,Perkyn,Thomas,,,"Perkyn, Thomas",2 4438633,2181371,defendant,Pulton,John de,,,"Pulton, John de",3