????
           Brockman, Walter John (b:1903-1904)(d:)
          |          ????
 Brockman, James Lynn (b:1940)(alive: 2026)
          |                              ????
          |                    Janssen, Johann Seims (b:1846)(d:1931)
          |                   |          ????
          |          Janssen, Emil Herman (b:1882)(d:1966)
          |         |         |                    ????
          |         |         |          Ricklefs, Ricklef Mathies (b:1814)(d:1882)
          |         |         |         |          ????
          |         |          Ricklefs, Elise Friederike (b:1851)(d:1923)
          |         |                   |          ????
          |         |                    Johnson, Elizabeth (Lizzie) (b:1812)(d:)
          |         |                              ????
           Janssen, Evelyn C (b:1911)(d:1973)
                    |                    ????
                    |          Smith, Christopher (b:)(d:)
                    |         |          ????
                     Smith, Clara Matilda (b:1889)(d:1926)
                              |          ????
                               Rubright, Annie (b:)(d:)
                                         ????