id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4274215,2120925,plaintiff,ap David,David,,,"ap David, David",0 4274216,2120925,defendant,William,Thomas Morgan,yeoman,727901,"William, Thomas Morgan, of Llantilio Pertholey, yeoman",0 4274217,2120925,defendant,Powell,John William,"John, of Llantilio Pertholey, yeoman",,"Powell, John William, John, of Llantilio Pertholey, yeoman",1 4274218,2120925,defendant,Howell,Thomas ap Rice,weaver,727902,"Howell, Thomas ap Rice, of Llangattock Lingoed, weaver",2 4274219,2120925,defendant,ap Rice,Richard Thomas,,727902,"ap Rice, Richard Thomas, of Llangattock Lingoed, yeoman, son of Thomas",3