id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3811143,1961381,plaintiff,Caldwall,Ralph,,,"Caldwall, Ralph",0 3811144,1961381,defendant,Cumberford,Thomas,mercer,585869,"Cumberford, Thomas, of London, mercer",0 3811145,1961381,defendant,Leder,Gerard,grocer,585869,"Leder, Gerard, of London, grocer",1 3811146,1961381,defendant,Rogers,Thomas,yeoman,585929,"Rogers, Thomas, of St Clement Danes, yeoman",2