id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4301251,2130558,plaintiff,ap Guignon,Elias ap Rees ap Jevan,,,"ap Guignon, Elias ap Rees ap Jevan",0 4301252,2130558,defendant,ap Res,Hugh ap David,yeoman,585869,"ap Res, Hugh ap David, of London, or of Uchelere, Penllyn, Merioneth, yeoman",0 4301253,2130558,defendant,Lewys,Morgan,yeoman,732783,"Lewys, Morgan, of Garun, Merioneth, yeoman",1