id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4420599,2171345,plaintiff,Bybon,Nicholas de,merchant,754504,"Bybon, Nicholas de, of Grauntpound, son of Nicholas, merchant",0 4420600,2171345,defendant,Tregrision,Margaret de,formerly wife of David,,"Tregrision, Margaret de, formerly wife of David",0