id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3977168,2016584,plaintiff,Lawrens,John ap Rosser,husbandman,660739,"Lawrens, John ap Rosser, of Trevethyn, husbandman",0 3977169,2016584,defendant,Treheron,Edward,yeoman,660739,"Treheron, Edward, of Trevethyn, yeoman",0 3977170,2016584,defendant,Treheron,Roger,yeoman,660739,"Treheron, Roger, of Trevethyn, yeoman",1 3977171,2016584,defendant,Treheron,Edward john,yeoman,660739,"Treheron, Edward john, of Trevethyn, yeoman",2