id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5408698,2477556,plaintiff,ap Rees,William,,,"ap Rees, William",0 5408699,2477556,plaintiff,ap Howell ap David ap Madok,William,,884525,"ap Howell ap David ap Madok, William, of Tregare, within the domain of Bergeynyf",1 5408700,2477556,defendant,ap Howell,Richard,husbandman,588373,"ap Howell, Richard, of Rosse, husbandman",0