id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3890281,1986996,plaintiff,Heydon,John,knight,,"Heydon, John, knight",0 3890282,1986996,defendant,Gybson,Robert,shoemaker,597485,"Gybson, Robert, of Wyston, shoemaker",0 3890283,1986996,defendant,Trewe,John,tailor,587182,"Trewe, John, of Blakeney, tailor",1