William Thomas Culmer Firth
1869 - 1941 (72 years)(Notes: You may have to scroll down or right to see chart.)
| William Balfour Firth Abt 1897-1964 |
| William Balfour Firth | |
| B: | Abt 1897 |
| D: | 30 May 1964 |
| Queensland, Australia | |
Helen Marjorie Phillips 1899-1990 |
| Helen Marjorie Phillips | |
| B: | 29 Jan 1899 |
| Hawthorn, Victoria, Australia | |
| D: | 6 Jul 1990 |
| Queensland, Australia | |
|
| William Thomas Culmer Firth 1869-1941 |
| William Thomas Culmer Firth | |
| B: | 1869 |
| St. Kilda, Victoria, Australia | |
| D: | 1941 |
| Chatswood, New South Wales, Australia | |
| Annie Elizabeth Ross Unknown-Aft 1897 |
| Annie Elizabeth Ross | |
| B: | Unknown |
| D: | Aft 1897 |