id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4859994,2314496,plaintiff,Chaworth,Thomas,knight,,"Chaworth, Thomas, knight",0 4859995,2314496,defendant,Mylward,William,tanner,753645,"Mylward, William, of Berkhamstede, tanner",0 4859996,2314496,defendant,Preest,William,yeoman,813944,"Preest, William, of Wyfelesthorn, yeoman",1 4859997,2314496,defendant,Preest,John,yeoman,813944,"Preest, John, of Wyfelesthorn, yeoman",2