id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3678139,1919213,plaintiff,Mayne,John,,,"Mayne, John",0 3678140,1919213,defendant,Walter,Thomas,husbandman,609371,"Walter, Thomas, of Upcote, husbandman",0 3678141,1919213,defendant,Walter,Robert,husbandman,609371,"Walter, Robert, of Upcote, husbandman",1