????
           Dvorak, Frank J (b:1891-1892)(d:)
          |          ????
 Dvorak, Frank G (b:1924)(d:2004)
          |                    ????
          |          Jopp, Henry Sr (b:1846)(d:)
          |         |          ????
           Jopp, Elizabeth A (b:1892)(d:1963)
                    |          ????
                     (unknown), Catherine (b:1848)(d:)
                               ????