id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4643874,2244308,plaintiff,Layburn,Roger de,,,"Layburn, Roger de",0 4643875,2244308,defendant,Henryson,John,,635763,"Henryson, John, of Salkeld",0 4643876,2244308,defendant,Thomson,John,,635763,"Thomson, John, of Salkeld",1