id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4463224,2189194,plaintiff,Trevewyth,Ralph de,son of Ralph,,"Trevewyth, Ralph de, son of Ralph",0 4463225,2189194,defendant,Rothen,James,,759658,"Rothen, James, of Benathelek",0 4463226,2189194,defendant,Chyenhale,Roger,,,"Chyenhale, Roger",1 4463227,2189194,defendant,Smyth,John,,603624,"Smyth, John, of Truro",2