id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5370479,2466351,plaintiff,Graystok,Ralph,"Duke of Graystok & Wemme, knight",,"Graystok, Ralph, Duke of Graystok & Wemme, knight",0 5370480,2466351,defendant,Bourgchier,John,,843296,"Bourgchier, John, of Groby, Leics, knight",0 5370481,2466351,defendant,Hey,Thomas,,878955,"Hey, Thomas, of Erdebury or Arbury, prior",1 5370482,2466351,defendant,(not given),John,prior of Whatton,878956,"Whatton, John, of Ulverscroft, Leics, prior of the House & church of Blessed Mary",2