????
                               Holtz, Herbert M (b:)(d:)
                              |          ????
                     Holtz, Lawrence John Otto (b:1936)(d:1962)
                    |         |          ????
                    |          Strassburger, Anita E (b:)(d:)
                    |                    ????
           Holtz, John Elmer (b:1962)(alive: 2025)
          |         |                    ????
          |         |          Mayer, Elmer J (b:)(d:)
          |         |         |          ????
          |          Mayer, Margaret Janet (b:1940)(alive: 2025)
          |                   |          ????
          |                    Kroll, Margaret C (b:)(d:)
          |                              ????
 Holtz, Rachel (b:1996)(d:)
          |          ????
           Maki, Melinda (b:1969)(d:)
                     ????