id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3988295,2020562,plaintiff,ap John,Thomas,,,"ap John, Thomas",0 3988296,2020562,defendant,ap John,Philip,yeoman,668227,"ap John, Philip, of Llanover, Monmouth, yeoman",0 3988297,2020562,defendant,William,Thomas,yeoman,668228,"William, Thomas, of Carlyon, Monmouth, yeoman",1