| Father | John Kinsley Montague (1827 - 1884) |
| Mother | Johanna Squires (1834 - 1914) |
| Sibling | Arthur Edgar Montague (1855 - 1926) |
| Sibling | Montague (1857 - 1857) |
| Sibling | Edie Armida Montague (1858 - 1933) |
| Sibling | Agnes Louise Montague (1862 - ) |
| Sibling | Montague (1864 - 1864) |
| Sibling | Julian Kinsley Montague (1866 - 1930) |
| Sibling | Merton Hill Montague (1868 - 1919) |
| Sibling | Elsie Jane Montague (1869 - 1961) |
| Sibling | Murray John Montague (1871 - 1932) |
| Sibling | Ashley Vernon Montague (1873 - 1945) |
| Sibling | Ezra Montague (1875 - 1964) |
| Sibling | Gordon Byron Montague (1876 - 1982) |
| Sibling | Dayton R. Montague (1878 - 1958) |
| Sibling | Montague (1858 - ) |