????
                     Heitzman, Johann Georg (John) (b:1842)(d:1932)
                    |          ????
           Heitzman, John George (b:1863)(d:1944)
          |         |                    ????
          |         |          Pfaff, Johann Michael (b:1820)(d:1899)
          |         |         |          ????
          |          Pfaff, Margarethe (b:1852)(d:1910)
          |                   |          ????
          |                    Klein, Philipinna (b:1822)(d:1888)
          |                              ????
 Heitzman, Johann J (John) (b:1889)(d:1985)
          |                    ????
          |          Schulz, August (b:1845)(d:1926)
          |         |          ????
           Schulz, Lydia (b:1868)(d:1951)
                    |          ????
                     Grotz, Louise (b:1849)(d:1928)
                               ????