John Robert Griffith and Mary Houston Family
 | Joseph Calvin Houston (1823-1901) 
|
 | Sarah Birkes (1822-1894) |
| Samuel Houston (1848-1865) |
| John Houston (1850-1927)  |
| Martha Jane Houston (1852-1902) |
| Robert Calvin Houston (1856-1942) |
| Melvina Houston (1856-1893) |
| Julia Ann Houston (1856-1886) |
| William Riley Houston (1859-1920) |
| Nancy Elizabeth Houston (1862-1954) |
| John Robert Griffith (1848-1913) |
| Mary Houston (1847-1925)
|
| Victory Elizabeth "Lizzie" Griffith (1876-1938) |