id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3671323,1917006,plaintiff,Chybbourn,Christopher,,,"Chybbourn, Christopher",0 3671324,1917006,defendant,Pyke,William,yeoman,607892,"Pyke, William, of West Depyng, Lincs, yeoman",0 3671325,1917006,defendant,Mason,Thomas,yeoman,606091,"Mason, Thomas, of West Depyng, yeoman",1