id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5586166,2530715,plaintiff,Laken,Richard,mercer,585869,"Laken, Richard, of London, mercer",0 5586167,2530715,defendant,Cornewall alias Cornell,Thomas,,597898,"Cornewall alias Cornell, Thomas, of Burford, Salop, knight",0 5586168,2530715,defendant,Hampden,John,esq,903047,"Hampden, John, of Hampden on the Hill, Nucks, esq",1