id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3671187,1916960,plaintiff,Chamberleyn,Ralph,knight,,"Chamberleyn, Ralph, knight",0 3671188,1916960,defendant,Mathewe,Thomas,yeoman,607759,"Mathewe, Thomas, of Therfeld, Herts, yeoman",0