id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4616128,2236051,plaintiff,Foucher,William,mercer,585869,"Foucher, William, of London, mercer",0 4616129,2236051,defendant,Michell,John,grocer,,"Michell, John, grocer",0 4616130,2236051,defendant,Ponston,John,chapman,615059,"Ponston, John, of Thacham, Berks, chapman",1