id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4162721,2082517,plaintiff,Stevenson,Mathew,,,"Stevenson, Mathew",0 4162722,2082517,defendant,Martendale,William,butcher,589461,"Martendale, William, of Louthe, butcher",0 4162723,2082517,defendant,Gregby,James,yeoman,590819,"Gregby, James, of Bynbroke, yeoman",1