id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5620631,2550321,plaintiff,Sewale,Thomas,,,"Sewale, Thomas",0 5620632,2550321,defendant,Mabely,"Nicholas, senior",,,"Mabely, Nicholas, senior",0 5620633,2550321,defendant,Hervy,John,,628907,"Hervy, John, of Histon",1 5620634,2550321,defendant,Warde,Thomas,,616722,"Warde, Thomas, of Landbeche",2