????
                     Land, Don Allen (b:)(d:)
                    |          ????
           Land, Geary Don (b:1955)(d:)
          |         |          ????
          |          Hill, Myrna Joy (b:)(d:)
          |                    ????
 Land, Tina Michelle (b:1977)(d:)
          |                                        ????
          |                              Treder, Paul (b:)(d:)
          |                             |          ????
          |                    Treder, Carl Gustave (b:1911)(d:1991)
          |                   |         |          ????
          |                   |          Demblon, Amanda (b:)(d:)
          |                   |                    ????
          |          Treder, Richard Dale (b:1933)(alive: 2026)
          |         |         |                    Olson, Olaus (b:1839)(d:) ==> Chart 2 [P 1]
          |         |         |          Ostness, Odin Angell (b:1875)(d:1974)
          |         |         |         |          Olsdatter, Oline (b:1839)(d:1922)
          |         |          Ostness, Lillian Lucille (b:1911)(d:1997)
          |         |                   |          Cook, Alvin Leat (b:1858)(d:1940) ==> Chart 3 [P 2]
          |         |                    Cook, Susan May (Susie) (b:1875)(d:1961)
          |         |                              Phippen, Eliza Ann (b:1860-1861)(d:1885) ==> Chart 4 [P 2]
           Treder, Cindy Marie (b:1957)(alive: 2024)
                    |          ????
                     Schilling, LaVerne Ruby (b:1935)(d:)
                               ????

                     ????
           Embretson, Ole (b:1798)(d:1879)
          |          ????
 Olson, Olaus (b:1839)(d:)
          |          ????
           Hansdatter, Karen (b:1803)(d:1861)
                     ????