id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4231779,2106612,plaintiff,ap Rethrech,Griffin,,,"ap Rethrech, Griffin",0 4231780,2106612,defendant,ap Howell,John,yeoman,719837,"ap Howell, John, of Straylkwyn, Merioneth, yeoman",0 4231781,2106612,defendant,ap Howell,Rotheric,yeoman,719838,"ap Howell, Rotheric, of Garthiniog, Merioneth, yeoman",1 4231782,2106612,defendant,ap Lewys,Owen ap David,yeoman,719839,"ap Lewys, Owen ap David, of Meysllangedris, Merioneth, yeoman",2