????
                               Groth, August (b:1850)(d:1917)
                              |          ????
                     Groth, Herman B (b:1882)(d:1964)
                    |         |          ????
                    |          Rutzen, Emilie (b:1852)(d:1930)
                    |                    ????
           Groth, Edward Ernest (b:1919)(d:2006)
          |         |                    ????
          |         |          Manthei, Fred (Fritz) (b:1851)(d:1910)
          |         |         |          ????
          |          Manthei, Renata Natula (b:1893)(d:1943)
          |                   |          ????
          |                    Schwekowsky, Johanna (b:1859-1860)(d:1929)
          |                              ????
 Groth, Dale Edward (b:1944)(d:2007)
          |          ????
           Teske, Evelyn Alma (b:)(d:)
                     ????