id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3817872,1963506,plaintiff,Leyghton,Robert,"gatekeeper, Tower of London",,"Leyghton, Robert, gatekeeper, Tower of London",0 3817873,1963506,defendant,Leyghton,Thomas,gent,634261,"Leyghton, Thomas, of Bellysworden, Salop, gent",0 3817874,1963506,defendant,Mason,Roger,yeoman,634262,"Mason, Roger, of Bysshoppys Castell, Salop, yeoman",1 3817875,1963506,defendant,Mason,Richard,yeoman,600943,"Mason, Richard, of Bysshoppys Castell, yeoman",2