id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4812240,2299945,plaintiff,Groos,William,brewer,585869,"Groos, William, of London, brewer, on his own account",0 4812241,2299945,defendant,Arundell Trerys,John,,804768,"Arundell Trerys, John, of Trerys, Cornw, knight",0