id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3917277,1996138,plaintiff,Gray,Edward,"knight, Lord Powes",,"Gray, Edward, knight, Lord Powes",0 3917278,1996138,defendant,ap Maddoke,David Vaughan ap David,yeoman,651331,"ap Maddoke, David Vaughan ap David, of Pola, Montgomery, yeoman",0 3917279,1996138,defendant,ap Richard,Robert,sherman,651332,"ap Richard, Robert, of Pola, sherman",1 3917280,1996138,defendant,Gor,Humphrey ap Gytten ap David,yeoman,651332,"Gor, Humphrey ap Gytten ap David, of Pola, yeoman",2