id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5398672,2474687,plaintiff,Couper,John,smith,612266,"Couper, John, of Blythe, smith",0 5398673,2474687,defendant,Grenefeld,John,,755430,"Grenefeld, John, of Baynesburgh, ship man",0