id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4418995,2170807,plaintiff,Astyn,William,,754269,"Astyn, William, of Penyesthorp",0 4418996,2170807,plaintiff,Penyesthorp,William de,son of Elizabeth,,"Penyesthorp, William de, son of Elizabeth",1 4418997,2170807,plaintiff,Thorp,John de,son of Walter,,"Thorp, John de, son of Walter",2 4418998,2170807,defendant,Thorp,Stephen de,son of _,,"Thorp, Stephen de, son of _",0