id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3671326,1917007,plaintiff,Chybbourn,Christopher,,,"Chybbourn, Christopher",0 3671327,1917007,defendant,Pyke,William,yeoman,607892,"Pyke, William, of West Depyng, Lincs, yeoman",0 3671328,1917007,defendant,Mason,Thomas,yeoman,606091,"Mason, Thomas, of West Depyng, yeoman",1