id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4263625,2117498,plaintiff,ap Howell,Ivan ap Morris ap Ivan ap David,gent,,"ap Howell, Ivan ap Morris ap Ivan ap David, gent",0 4263626,2117498,defendant,ap David,Thomas ap David ap John,gent,586697,"ap David, Thomas ap David ap John, of Shrewsbury, or of Manavon, Montgomery, gent",0 4263627,2117498,defendant,Harbert,Morris,gent,704539,"Harbert, Morris, of Trevegles, Montgomery, gent",1 4263628,2117498,defendant,ap David,Oliver ap Rees,yeoman,657516,"ap David, Oliver ap Rees, of Manavon, yeoman",2 4263629,2117498,defendant,Wyn,Thomas ap John,gent,657516,"Wyn, Thomas ap John, of Manavon, gent",3