id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4688992,2262115,plaintiff,Trevaignon,Thomas,,,"Trevaignon, Thomas",0 4688993,2262115,plaintiff,Polmorva,John,,,"Polmorva, John",1 4688994,2262115,plaintiff,Hopkyn,William,,,"Hopkyn, William",2 4688995,2262115,defendant,Saler,John,shipman,586165,"Saler, John, of Fowy, shipman",0