id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5612189,2547550,plaintiff,Bury,John de,,,"Bury, John de",0 5612190,2547550,defendant,Frere,William,,599191,"Frere, William, of Roughton, rope maker",0 5612191,2547550,defendant,Mitton,John,,762081,"Mitton, John, of Brymton",1 5612192,2547550,defendant,Halsted,John de,,,"Halsted, John de",2