id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5248715,2429744,plaintiff,Syward,William,mercer,586848,"Syward, William, of Northampton, mercer",0 5248716,2429744,defendant,Cony,Thomas,mercer,595169,"Cony, Thomas, of Olney, Bucks, mercer",0 5248717,2429744,defendant,Mareys,Giles,,590356,"Mareys, Giles, of Oundell, tallow chandler",1