id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4746615,2279501,plaintiff,Heton,William de,,624321,"Heton, William de, of Knypton",0 4746616,2279501,plaintiff,Couper,Thomas,chaplain,594496,"Couper, Thomas, of Warsop, chaplain",1 4746617,2279501,plaintiff,Perker,Richard,,,"Perker, Richard",2 4746618,2279501,plaintiff,Clerk,Thomas,,,"Clerk, Thomas",3 4746619,2279501,defendant,Barley,Williamm,gent,611639,"Barley, Williamm, of Barley, Derbs, gent",0