id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4426365,2173054,plaintiff,Offord,John de,master & dean of the church of the BM,586846,"Offord, John de, of Lincoln, master & dean of the church of the BM",0 4426366,2173054,defendant,Roston,William de,,755195,"Roston, William de, of Mapelton of Asshebourn",0 4426367,2173054,defendant,Mapleton,William de,,755196,"Mapleton, William de, of Asshebourn",1 4426368,2173054,defendant,Roston,Sur_ de,,,"Roston, Sur_ de",2