id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4478189,2193851,plaintiff,Haydour,John,,586067,"Haydour, John, of York",0 4478190,2193851,defendant,Mongton,Henry de,,587210,"Mongton, Henry de, of Merston",0 4478191,2193851,defendant,Grymthorp,William de,weaver,,"Grymthorp, William de, weaver",1 4478192,2193851,defendant,Sourdevale,William,,761342,"Sourdevale, William, of Ronton or Routon in Holdernesse",2