id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4455753,2186814,plaintiff,Mortuo Mari of Mortimer,Edmund,Earl of March,,"Mortuo Mari of Mortimer, Edmund, Earl of March",0 4455754,2186814,defendant,Bury,John de,,589013,"Bury, John de, of Bury",0