id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4142703,2075618,plaintiff,Arnewey,John,,,"Arnewey, John",0 4142704,2075618,defendant,ap Meredith,David ap John,gent,657905,"ap Meredith, David ap John, of Manavon, Montgomery, gent",0 4142705,2075618,defendant,Gethin,David ap Griffith ap Moris,,680118,"Gethin, David ap Griffith ap Moris, of Tregonon, Montgomery",1