id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3873874,1981480,plaintiff,Clotton,Richard,gent,585869,"Clotton, Richard, of London, gent",0 3873875,1981480,defendant,ap Robert,of Carnarvan,"North Wales, esq",,"ap Robert, of Carnarvan, North Wales, esq",0 3873876,1981480,defendant,Pylleston,John,esq,599994,"Pylleston, John, of Carnarvan, esq",1