id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4456205,2186958,plaintiff,Nevill,William de,,751805,"Nevill, William de, of Raby, knight",0 4456206,2186958,defendant,Clifford,of York,"treasurer or Clifford, John de, of York, treasurer",,"Clifford, of York, treasurer or Clifford, John de, of York, treasurer",0