????
           Wobrock, August (b:)(d:)
          |          ????
 Wobrock, Augusta (b:)(d:)
          |                    ????
          |          Heldt, Ferdinand (b:)(d:1867-1868)
          |         |          ????
           Heldt, Wilhelmina (Minnie) (b:1865)(d:)
                    |          ????
                     Grabow, Rosina (b:1846)(d:)
                               ????