id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3623343,1874832,plaintiff,Semer,Thomas,,586312,"Semer, Thomas, of Walden",0 3623344,1874832,defendant,Hegge,John,dyer,586312,"Hegge, John, of Walden, dyer",0 3623345,1874832,defendant,Walhed,William,glover,586312,"Walhed, William, of Walden, glover",1