id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4451848,2185557,plaintiff,Howom,Thomas de,,,"Howom, Thomas de",0 4451849,2185557,defendant,Mercer,William,,758162,"Mercer, William, of Etill",0 4451850,2185557,defendant,Underwod,William,,758037,"Underwod, William, of Neubald",1