id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4781151,2290116,plaintiff,Chalton,Thomas,mercer,585869,"Chalton, Thomas, of London, mercer",0 4781152,2290116,defendant,Grene,Thomas,,801520,"Grene, Thomas, of Assheby Marys, Nhants, knight",0 4781153,2290116,defendant,Merkensfelde,John,esq,801521,"Merkensfelde, John, of Merkensfelde, Yorks, esq",1 4781154,2290116,defendant,Dacre,Thomas,"Lord of Gyldesland, of Naward, Cumb, knight",,"Dacre, Thomas, Lord of Gyldesland, of Naward, Cumb, knight",2