id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5421932,2481493,plaintiff,Andrews,William,mercer,585869,"Andrews, William, of London, mercer",0 5421933,2481493,defendant,Duke,Thomas,chapman,592124,"Duke, Thomas, of East Henred, Berks, chapman",0 5421934,2481493,defendant,Mason,Thomas,chapman,885881,"Mason, Thomas, of Hungyrford, Berks, chapman",1