id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4558949,2218763,plaintiff,Marcheford,William,mercer,585869,"Marcheford, William, of London, mercer",0 4558950,2218763,defendant,Alrede,John,,615552,"Alrede, John, of Devon",0 4558951,2218763,defendant,Riddyng,William,,669048,"Riddyng, William, of Lancashire",1