id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4363408,2151988,plaintiff,Coytmor,William,gent,,"Coytmor, William, gent",0 4363409,2151988,defendant,ap Richard,Robert,,720481,"ap Richard, Robert, of Conwey, Carnarvon, esq, or Robert ap Richard ap Robert",0