id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4617783,2236567,plaintiff,Grey,Richard,lord of,,"Grey, Richard, lord of",0 4617784,2236567,defendant,Porter,Thomas,,774942,"Porter, Thomas, of Huknall",0 4617785,2236567,defendant,Toplyf,John,,586901,"Toplyf, John, of Nottingham",1