????
                     Gierszewski, Casimirus (b:)(d:)
                    |          ????
           Gierszewski, Stanislaus (b:1863)(d:1947)
          |         |          ????
          |          Wysocka, Marianna (b:)(d:)
          |                    ????
 Gierszewski, Stanley (b:1894)(d:)
          |          ????
           (unknown), (unknown) (b:)(d:)
                     ????