id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4173689,2086252,plaintiff,Dutten,William,,,"Dutten, William",0 4173690,2086252,defendant,Powell,John ap Robert Gilliam,yeoman,663339,"Powell, John ap Robert Gilliam, of Comyoye, yeoman",0 4173691,2086252,defendant,ap John,William Thomas,yeoman,680870,"ap John, William Thomas, of Keynchurche, yeoman",1