id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4938146,2338309,plaintiff,Chamberleyn,Roger,knight,,"Chamberleyn, Roger, knight",0 4938147,2338309,defendant,Trenche,John,yeoman,588945,"Trenche, John, of Hempstede, yeoman",0 4938148,2338309,defendant,Heynes,William,yeoman,588945,"Heynes, William, of Hempstede, yeoman",1