id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4486125,2196361,plaintiff,Roos,William de,,762264,"Roos, William de, of Hamelake, knight",0 4486126,2196361,defendant,Felbrygge,George de,knight,,"Felbrygge, George de, knight",0 4486127,2196361,defendant,Manghteld,William,,586132,"Manghteld, William, of Thurton",1