????
           Unger, Frank William (b:1915)(d:1979)
          |          ????
 Unger, Edward Frederick (b:1959)(d:)
          |                              ????
          |                    Christensen, Christen (b:)(d:1876)
          |                   |          ????
          |          Christensen, Martin (b:1870)(d:1957)
          |         |         |          ????
          |         |          (unknown), Anna (b:)(d:1874)
          |         |                    ????
           Christensen, Grace Margaret (b:1920)(d:2005)
                    |                    ????
                    |          Frederickson, James (b:1846)(d:)
                    |         |          ????
                     Frederickson, Sophia M (b:1881)(d:1974)
                              |          ????
                               Anderson, Margaret (b:1854)(d:)
                                         ????