id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5130101,2395292,plaintiff,duke,William,,,"duke, William",0 5130102,2395292,plaintiff,Cook,Thomas,,,"Cook, Thomas",1 5130103,2395292,plaintiff,duke,Richard,,,"duke, Richard",2 5130104,2395292,defendant,Butte,William,merchant,587118,"Butte, William, of Exilond, merchant",0