????
           Danielson, Harold (b:)(d:)
          |          ????
 Manthei, Frank (b:1916)(d:1972)
          |                    ????
          |          Manthei, Fred (Fritz) (b:1851)(d:1910)
          |         |          ????
           Manthei, Caroline (Carrie) (b:1895)(d:)
                    |          ????
                     Schwekowsky, Johanna (b:1859-1860)(d:1929)
                               ????