id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3866950,1979185,plaintiff,Robert,William,,,"Robert, William",0 3866951,1979185,defendant,Treesse alias Wyllyamson,William,husbandman,587151,"Treesse alias Wyllyamson, William, of Flete, husbandman",0 3866952,1979185,defendant,Byller,John,fisher,595953,"Byller, John, of Whaplode, fisher",1