id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3866557,1979043,plaintiff,Preston,John,,,"Preston, John",0 3866558,1979043,plaintiff,Malore,Richard,mercer,585869,"Malore, Richard, of London, mercer",1 3866559,1979043,defendant,Smyth,Thomas,alderman,586606,"Smyth, Thomas, of Chester, chapman, son of Smyth, Thomas, of Westchester, alderman",0 3866560,1979043,defendant,Prowte,William,chapman,586958,"Prowte, William, of Gloucester, chapman",1 3866561,1979043,defendant,ap Owen,Hugh,carrier,586958,"ap Owen, Hugh, of Gloucester, carrier",2 3866562,1979043,defendant,Aburforthe,Thomas,mercer,585869,"Aburforthe, Thomas, of London, mercer",3