id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5438944,2486569,plaintiff,Trethewy,William,gent,,"Trethewy, William, gent",0 5438945,2486569,defendant,Emmery,John,ostler,606265,"Emmery, John, of Kyngeston upon Thames, ostler",0 5438946,2486569,defendant,Emmery,Margery,,,"Margery, his wife",1