id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4358623,2150255,plaintiff,ap John,Thomas,,,"ap John, Thomas",0 4358624,2150255,defendant,William,Thomas,yeoman,662176,"William, Thomas, of Shernewton, yeoman",0 4358625,2150255,defendant,Thomas,William,,662176,"Thomas, William, of Shernewton, yeoman, his son",1