id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3652923,1911241,plaintiff,West,John,mercer,585869,"West, John, of London, mercer",0 3652924,1911241,defendant,Harenkok alias Arencoke,William,chapman,587398,"Harenkok alias Arencoke, William, of Luton, Beds, chapman",0 3652925,1911241,defendant,Spret,John,mercer,602595,"Spret, John, of Plymton, Devon, mercer",1 3652926,1911241,defendant,Barne,John,mercer,603061,"Barne, John, of Plymton, mercer",2