id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq
4276407,2121692,plaintiff,David,William,,,"David, William",0
4276408,2121692,defendant,ap John,Philip,,649455,"ap John, Philip, of Llanarth, mason",0
4276409,2121692,defendant,Thomas,Henry John,,659768,"Thomas, Henry John, of Llanthewy Rethergh, mason",1
4276410,2121692,defendant,David,John John,yeoman,728304,"David, John John, of Llamyferyn or Llantheferin, yeoman",2