????
                     Laverentz, Louis (b:1824)(d:1904)
                    |          ????
           Laverentz, Louis R F (b:1868)(d:)
          |         |          ????
          |          Meinke, Doris (b:1832)(d:1905)
          |                    ????
 Leverenz, Ralph Henry (b:1899)(d:)
          |          ????
           Schmitt, Gertrude (b:1871)(d:)
                     ????