_Harrison ROBERTSON ______
| (1822 - 1908) m 1850
_Harrison ROBERTSON __|
| (1865 - 1938) |
| |_Eliza Clarkson MARSHALL _+
| (1827 - 1868) m 1850
_Harison Marshall ROBERTSON _|
| (1892 - 1958) m 1917 |
| | __________________________
| | |
| |_Mary Longley VAWTER _|
| (1867 - 1944) |
| |__________________________
|
|
|--Mary Bowie ROBERTSON
| (1929 - 2016)
| __________________________
| |
| ______________________|
| | |
| | |__________________________
| |
|_Mary MACKENZIE _____________|
(1897 - ....) m 1917 |
| __________________________
| |
|______________________|
|
|__________________________