The MANSON family of Houlland and Tumblin

William MAGNUSON
       b?
       (Houlland?)
       m?      ===== ?
                 |
        ------------------
       |                ?    

    (daughter)         Magnus MANSON
    b1780              b
    (Nether Houlland)  (Houlland?)
                       m1807 ===== ? TAIT
                               |   (E. Burrafirth)
                               |
              ----------------------------------
              |                                |
            Tirval                           Walter
            b1808                            b1810
            (Houlland)                       (Houlland)
            m1831 ===== Agnes ROBERTSON
                    |   b1802-1811?
                    |   (Nesting
                    |
   ------------------------------------------------------------
   |       |        |         |           |         |         |
Thomas  Margaret  John      Agnes     Catherine  Tirval     James
b1833?  b1835?    b1836     b1838     b1845      b1848      b1853?
                  (Tresta)  (Tresta)  (Tumblin)  (Tumblin)  (Tumblin?)
                                                            m1879? ===== Jessie WILLIAMSON
                                                                     |   b1856?
                                                                     |   (Tumblin?)
                                                                     |
                                                               --------------
                                                               |            |
                                                         James William  Catherine
                                                         b1880?         b1882?
                                                         (Tumblin)      (Quarsdale?)