????
                     Langley, Maurice Edward (b:1920)(d:2006)
                    |          ????
           Langley, David Philip (b:1950)(d:2017)
          |         |                    ????
          |         |          Hoss, Bernard Henry (b:1897)(d:1974)
          |         |         |          ????
          |          Hoss, Patricia Mary (b:1924)(d:2015)
          |                   |                    LeClaire, George Henry (b:1827)(d:1889) ==> Chart 2 [P 1]
          |                   |          LeClaire, Philip Louis (b:1866)(d:1927)
          |                   |         |          Poirier, Marie Sophie (b:1829)(d:1915) ==> Chart 3 [P 1]
          |                    LeClaire, Evelyn L (b:1901-1902)(d:1984)
          |                             |          Melzer, John (b:1839)(d:1923) ==> Chart 4 [P 1]
          |                              Melzer, Caroline Ann (Carrie) (b:1877)(d:1963)
          |                                        Silberzahn, Caterina (b:1849-1850)(d:1896) ==> Chart 5 [P 2]
 Langley, Christopher A (b:1981)(alive: 2025)
          |          ????
           King, Constance Denise (b:1951)(d:)
                     ????