id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3646148,1909198,plaintiff,Heydon,John,"knight, former sheriff of Norf",,"Heydon, John, knight, former sheriff of Norf",0 3646149,1909198,defendant,Dorman,Thomas,sherman,585936,"Dorman, Thomas, of Norwich, sherman",0 3646150,1909198,defendant,Dorman,William,yeoman,601600,"Dorman, William, of Borough St Margaret, yeoman",1 3646151,1909198,defendant,Mandelbe,John,reeder,601601,"Mandelbe, John, of Byllokby, reeder",2