id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4311943,2134313,plaintiff,Chambers,Mary,,,"Chambers, Mary",0 4311944,2134313,defendant,Baker,John ap Thomas,yeoman,701571,"Baker, John ap Thomas, of Winforton, yeoman",0 4311945,2134313,defendant,Baker,John,,647956,"Baker, John, of Wynforton, yeoman, his son",1 4311946,2134313,defendant,Bolter,Humphrey,yeoman,647956,"Bolter, Humphrey, of Wynforton, yeoman",2