id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4565774,2220851,plaintiff,Sourby,John de,,655229,"Sourby, John de, of Westmorland",0 4565775,2220851,defendant,Wakeryng,William,,585869,"Wakeryng, William, of London, master of the hospital of St Bartholomew, West Smythfeld",0