id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5122761,2393092,plaintiff,Warde,of London,mercer,,"Warde, of London, mercer",0 5122762,2393092,defendant,Bonor,Thomas,chapman,798236,"Bonor, Thomas, of Ford, Beds, chapman",0 5122763,2393092,defendant,Bonor,John,,,"Bonor, John",1