id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4817465,2301551,plaintiff,Mons,Bernard de,merchant,757268,"Mons, Bernard de, of Bordeaux, merchant, on his own account",0 4817466,2301551,defendant,Wederby,John de,mercer,620810,"Wederby, John de, of Ryppon, Yorks, mercer",0