id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5198339,2415265,plaintiff,Tregarthyn,Thomas,,,"Tregarthyn, Thomas",0 5198340,2415265,defendant,Kearter,Richard,husbandman,809329,"Kearter, Richard, of St Vuell, husbandman",0 5198341,2415265,defendant,Karter,Martin,husbandman,809329,"Karter, Martin, of St Vuell, husbandman",1 5198342,2415265,defendant,Tyrell,Richard,husbandman,588695,"Tyrell, Richard, of St Pynnok, husbandman",2