id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3957564,2009709,plaintiff,Powell,John David,gent,,"Powell, John David, gent",0 3957565,2009709,defendant,ap Richard,William,yeoman,660284,"ap Richard, William, of Llanmarten, yeoman",0 3957566,2009709,defendant,Morgan,Thomas,yeoman,660284,"Morgan, Thomas, of Llanmarten, yeoman",1 3957567,2009709,defendant,Arney or Arvey,Philip,yeoman,651063,"Arney or Arvey, Philip, of Goldclyff, yeoman",2