id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq
3613509,1871874,plaintiff,Baron,John,mercer,585869,"Baron, John, of London, mercer",0
3613510,1871874,defendant,Catesby,John,gent,593832,"Catesby, John, of Brynkton, Nhants, gent",0