1897 - 1974(Notes: You may have to scroll down or right to see chart.)
| Robyn Elizabeth Marwick | |
| B: | 1945 |
| D: | 1976 |
| William Joseph Marwick | |
| B: | 5 Mar 1897 |
| York, Western Australia | |
| D: | 27 Jun 1974 |
| York, Western Australia | |
| Gladys Etheleen Wyne Keyser | |
| B: | 29 Apr 1911 |
| Albany, Western Australia | |
| D: | 28 Oct 1988 |
| York, Western Australia | |
