id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq
5254855,2431633,plaintiff,Chaterley,Thomas,mercer,585869,"Chaterley, Thomas, of London, mercer",0
5254856,2431633,defendant,Bourgchier,John,,843296,"Bourgchier, John, of Groby, Leics, knight",0