id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5464773,2494379,plaintiff,Trethewy,William,gent,,"Trethewy, William, gent",0 5464774,2494379,defendant,Emmery,John,ostler,604904,"Emmery, John, of Kingston upon Thames, ostler",0 5464775,2494379,defendant,Emmery,Margery,,,"Margery, his wife",1