id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3815362,1962721,plaintiff,Hales,Christopher,,,"Hales, Christopher",0 3815363,1962721,defendant,ap Rice,Griffin,,585869,"ap Rice, Griffin, of London, knight",0 3815364,1962721,defendant,Cornewall,Thomas,,597898,"Cornewall, Thomas, of Burford, Salop, knight",1