id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5213571,2419701,plaintiff,Boton,John,mercer,585869,"Boton, John, of London, mercer",0 5213572,2419701,defendant,Grene,Richard,gent,623024,"Grene, Richard, of Goryng, Sussex, gent",0 5213573,2419701,defendant,Ludford,Thomas,scrivener,586033,"Ludford, Thomas, of Westminster, scrivener",1