id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4472169,2191961,plaintiff,Clifford,Elizabeth de,"formerly wife of Thomas de Clifford, knight",,"Clifford, Elizabeth de, formerly wife of Thomas de Clifford, knight",0 4472170,2191961,defendant,Williamson,Robert,,591850,"Williamson, Robert, of Bradley",0 4472171,2191961,defendant,(not given),Robert,his son,,"Robert, his son",1 4472172,2191961,defendant,Stanffeld,John de,son of Nicholas de Stanffeld,,"Stanffeld, John de, son of Nicholas de Stanffeld",2