id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3774051,1949600,plaintiff,Alenson,Thomas,,,"Alenson, Thomas",0 3774052,1949600,defendant,Slowe,Nicholas,chaplain,593121,"Slowe, Nicholas, of Elford, chaplain",0 3774053,1949600,defendant,Mason alias Chekley,Thomas,yeoman,593953,"Mason alias Chekley, Thomas, of Tutbury, yeoman",1