id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5611709,2547398,plaintiff,Brereton,William de,,590061,"Brereton, William de, of Barton on Humber",0 5611710,2547398,defendant,Heton,David de,,,"Heton, David de",0 5611711,2547398,defendant,Kul,John,,878511,"Kul, John, of Idell",1 5611712,2547398,defendant,Kurre,John,,586778,"Kurre, John, of Byngham",2