id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4841952,2309020,plaintiff,Lambton,Robert,jun,,"Lambton, Robert, jun",0 4841953,2309020,defendant,Grenelefe,John,merter or mercer,685531,"Grenelefe, John, of Chesterfield, merter or mercer",0