id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4642431,2243910,plaintiff,Harsyk,John,knight,,"Harsyk, John, knight",0 4642432,2243910,defendant,Barker,Thomas,,592221,"Barker, Thomas, of Westacre",0 4642433,2243910,defendant,Barker,Walter,,,"Barker, Walter",1