id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5035834,2367338,plaintiff,Trefrey,Thomas,,,"Trefrey, Thomas",0 5035835,2367338,defendant,Penwern,John,tinner,837874,"Penwern, John, of Neuton juxta Cu-, tinner",0 5035836,2367338,defendant,Grigge,William,tinner,605636,"Grigge, William, of Lanhydrok, tinner",1 5035837,2367338,defendant,Luky,John,tinner,837875,"Luky, John, of Bokedek, tinner",2