id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3919668,1996915,plaintiff,Lok,William,mercer,585869,"Lok, William, of London, mercer",0 3919669,1996915,defendant,Astell,Edmund,,607913,"Astell, Edmund, of Hadnam, Bucks, gent, servant with Norres, Henry",0