id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4815316,2300899,plaintiff,Lancaster,Humphrey,,806571,"Lancaster, Humphrey, of Gloucester, duke",0 4815317,2300899,plaintiff,Holond,John de,,806572,"Holond, John de, of Huntingdon, Earl",1 4815318,2300899,plaintiff,Arundell,John de,knight,,"Arundell, John de, knight",2 4815319,2300899,plaintiff,Cobham,Reginald,knight,,"Cobham, Reginald, knight",3 4815320,2300899,defendant,Messenger,Ralph,gent,753862,"Messenger, Ralph, of Tatersete, gent",0