id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4974233,2349255,plaintiff,Marmyon,Mauncerus,knight,,"Marmyon, Mauncerus, knight",0 4974234,2349255,defendant,Frers,John,husbandman,595400,"Frers, John, of Cosby, husbandman",0