????
                     Bartz, John (b:)(d:)
                    |          ????
           Bartz, Herman (b:1865)(d:1923)
          |         |          ????
          |          Tomaszewska, Paulina (b:)(d:)
          |                    ????
 Bartz, Harry (b:1909)(d:1910-1920)
          |                    ????
          |          Szena, Nepomucer (b:)(d:)
          |         |          ????
           Szena, Pauline (b:1869)(d:)
                    |          ????
                     Engelmann, Michalina (b:)(d:)
                               ????