id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5207946,2418058,plaintiff,Olyvere,Richard,,,"Olyvere, Richard",0 5207947,2418058,defendant,Chamberleyn,Roger,,658072,"Chamberleyn, Roger, of Geddyng, Suff, knight",0 5207948,2418058,defendant,Thornton,Thomas,draper,585869,"Thornton, Thomas, of London, draper",1 5207949,2418058,defendant,Alfeld,Peter,mercer,585869,"Alfeld, Peter, of London, mercer",2