id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4489242,2197354,plaintiff,Thecher,John,,760239,"Thecher, John, of Ilmynstre, son of William",0 4489243,2197354,defendant,Peverell,Richard,,760239,"Peverell, Richard, of Ilmynstre",0