id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4412924,2168919,plaintiff,Ace,William,son of William,,"Ace, William, son of William",0 4412925,2168919,defendant,Derman,William,,,"Derman, William",0 4412926,2168919,defendant,Derman,Edith,,,"Edith, his wife",1 4412927,2168919,defendant,Pontetyn,John,,,"Pontetyn, John",2 4412928,2168919,defendant,Pontetyn,Joan,,,"Joan, his wife",3