id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5242199,2427920,plaintiff,Martyn,John,mercer,585869,"Martyn, John, of London, mercer",0 5242200,2427920,defendant,Verney,William,gent,657542,"Verney, William, of Wolford, Warks, gent",0 5242201,2427920,defendant,Grevyle,Richard,gent,863271,"Grevyle, Richard, of Lemengton, Glos, gent",1