id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4038968,2038559,plaintiff,Lluwellen,John,,651332,"Lluwellen, John, of Pola",0 4038969,2038559,defendant,ap Rice,Richard,"alias Richard ap Rees Caswalader, of Pola, Montgomery, yeoman",,"ap Rice, Richard, alias Richard ap Rees Caswalader, of Pola, Montgomery, yeoman",0 4038970,2038559,defendant,ap Owen,Thomas ap Howell,gent,680118,"ap Owen, Thomas ap Howell, of Tregonon, Montgomery, gent",1 4038971,2038559,defendant,Barker,John ap Jevan,yeoman,651332,"Barker, John ap Jevan, of Pola, yeoman",2