Family: Harley A. Gravat / Sybil Rider (F1870)
 | Oscar Brown Gravat (1848-1912) |
| Sarah Catherine Chenowith (1852-1927) |
Charles Otto “Charley” Gravat (1876-1960)  |
| Ira J. Gravat (1878-1905) |
| Olive "Ollie" Gravat (1883-1945) |
 | Howard Eldon Gravat (1886-1938) |
 | Harley A. Gravat (1879-1917) 
|
 | Sybil Rider (1881-1951) |
 | LaVerna Gravat (1903-1979) |
| Zelda Gravat (1906-1998) |