????
                     Heldt, Ferdinand (b:)(d:1867-1868)
                    |          ????
           Heldt, August Ferdinand (b:1866)(d:1915)
          |         |          ????
          |          Grabow, Rosina (b:1846)(d:)
          |                    ????
 Heldt, Anna (b:1909)(d:1909)
          |                              ????
          |                    Monk, Folkert (b:1810-1811)(d:)
          |                   |          ????
          |          Monk, Eyler Eielt (b:1842)(d:1898)
          |         |         |          ????
          |         |          (unknown), Nellie (b:1805-1806)(d:)
          |         |                    ????
           Monk, Nellie J (b:1871)(d:1964)
                    |                    ????
                    |          van Westen, Albrecht M (b:1809)(d:1882)
                    |         |          ????
                     van Westen, Anna Christina (b:1847)(d:1919)
                              |          ????
                               Baumann, Trientje (b:1823)(d:1905)
                                         ????