????
                     Ittner, Harry (b:)(d:)
                    |          ????
           Ittner, Harry F (b:1865)(d:1921)
          |         |          ????
          |          Biederman, Catherine (b:)(d:)
          |                    ????
 Ittner, Lillian (b:1897)(d:)
          |                    ????
          |          Aul, Ernest (b:)(d:)
          |         |          ????
           Aul, Hattie (b:1872)(d:1899)
                    |          ????
                     (unknown), Katherine (b:)(d:)
                               ????