????
                     Black, Blair Bruce (b:1902)(d:)
                    |          ????
           Black, Ralph Evans (b:1930)(d:1983)
          |         |          ????
          |          Ogilvie, Mildred A (b:1904)(d:)
          |                    ????
 Black, Roger Harold (b:1963)(alive: 2023)
          |                              ????
          |                    Jacobson, Jacob (b:)(d:)
          |                   |          ????
          |          Jacobson, John (b:1884)(d:1974)
          |         |         |          ????
          |         |          (unknown), Rose (b:)(d:)
          |         |                    ????
           Jacobson, Margaret (b:1924)(d:1985)
                    |                    ????
                    |          Babikian, Hagop (b:1841-1875)(d:)
                    |         |          ????
                     Hagopian, Margaret (b:1891)(d:1965)
                              |          ????
                               (unknown), Emma (b:1851-1875)(d:)
                                         ????