| Father | Lewis Alexander Ludovici Cumber (1872 - 1945) |
| Mother | Barbara Mary Cumber (1876 - 1968) |
| Sibling | Victor Joseph Cumber (1895 - 1985) |
| Sibling | John H. "Johnnie" Cumber (1897 - ) |
| Sibling | Maynard Cumber (1902 - ) |
| Sibling | Evaline B. "Elyn" Cumber (1902 - ) |
| Sibling | Clarence T. Cumber (1905 - 1935) |
| Sibling | Alexander G. Cumber (1907 - ) |
| Sibling | George Alexander Cumber (1907 - 1975) |
| Sibling | David C. Cumber (1909 - 1993) |
| Sibling | Elsie Cumber (1914 - ) |
| Sibling | Luella Cumber (1915 - ) |
| Sibling | Cumber (1918 - 1918) |
| Sibling | Louis Cumber (1920 - ) |