id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 3738446,1938230,defendant,Musgrave,Edward,,620923,"Musgrave, Edward, of Hartley, Westmor, knight",0 3819182,1963887,plaintiff,Musgrave,William,,620923,"Musgrave, William, of Hartley, Westmor, knight",0