id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5408693,2477554,plaintiff,Andrewe,William,mercer,585869,"Andrewe, William, of London, mercer",0 5408694,2477554,defendant,Duke,Thomas,chapman,592124,"Duke, Thomas, of East Henred, Berks, chapman",0 5408695,2477554,defendant,Mason,Thomas,"of Hungyrford, Berks, chapman",,"Mason, Thomas, , of Hungyrford, Berks, chapman",1