id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4612231,2234889,plaintiff,Cornewaill,John,knight,,"Cornewaill, John, knight",0 4612232,2234889,plaintiff,Semonoure,John,,,"Semonoure, John",1 4612233,2234889,plaintiff,Launde,Richard,,,"Launde, Richard",2 4612234,2234889,defendant,Marchall,William,,587031,"Marchall, William, of Grafton",0 4612235,2234889,defendant,Marchall,John,,587031,"Marchall, John, of Grafton",1