id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3620465,1873978,plaintiff,Longford,Ralph,knight,,"Longford, Ralph, knight",0 3620466,1873978,defendant,Roo,Henry,yeoman,595436,"Roo, Henry, of Osleston, yeoman",0 3620467,1873978,defendant,Smyth,Richard,yeoman,593783,"Smyth, Richard, of Matlok, yeoman",1