id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 5046849,2370678,plaintiff,Musgrave,Richard,knight,,"Musgrave, Richard, knight",0 5046850,2370678,defendant,Welan,John,yeoman,647867,"Welan, John, of Dent, Yorks, yeoman",0 5046851,2370678,defendant,Smerthwayt,George,yeoman & son of Richard Smerthwayt,647722,"Smerthwayt, George, of Dent, yeoman & son of Richard Smerthwayt",1 5046852,2370678,defendant,Smerthwayt,Richard,yeoman,647722,"Smerthwayt, Richard, of Dent, yeoman",2