id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4644304,2244424,plaintiff,Loweson,John,,,"Loweson, John",0 4644305,2244424,defendant,Duston,"John de, sen",,,"Duston, John de, sen",0 4644306,2244424,defendant,Duston,John de,jun,,"Duston, John de, jun",1 4644307,2244424,defendant,Milner,William,,765096,"Milner, William, of Crosseby",2