id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4464071,2189434,plaintiff,Walgrave,Richard,knight,,"Walgrave, Richard, knight",0 4464072,2189434,plaintiff,Clipton,William,knight,,"Clipton, William, knight",1 4464073,2189434,plaintiff,Pleynconour,John,son of William,,"Pleynconour, John, son of William",2 4464074,2189434,defendant,Bury,William,,627547,"Bury, William, of Stratforde",0