????
 Waldo, Gregory Robert (b:1950)(alive: 2024)
          |                    ????
          |          Schallhorn, Erich (b:)(d:)
          |         |          ????
           Schallhorn, Adrienne B (b:1929)(d:2013)
                    |          ????
                     (unknown), Lillian (b:)(d:)
                               ????