| Children |
| | 1. Sinclair, George Britton, b. 1900, Fremantle, Western Australia, Australia d. 11 Feb 1952, Cottesloe, Western Australia, Australia (Age 52 years) [Father: natural] [Mother: natural] |
| | 2. Sinclair, Olive, b. 15 Sep 1906, Fremantle, Western Australia, Australia d. 26 Nov 1997, Perth, Fulton, New York, United States (Age 91 years) [Father: natural] [Mother: natural] |
| | 3. Sinclair, Alexander, b. 1905, Fremantle, Western Australia, Australia [Father: natural] [Mother: natural] |
| | 4. Sinclair, Robert James, b. 1897, Fremantle, Western Australia, Australia [Father: natural] [Mother: natural] |
| | 5. Sinclair, Jeffrey Harrington, b. 1896, Fremantle, Western Australia, Australia [Father: natural] [Mother: natural] |
| | 6. Sinclair, Gertrude Amelia, b. 6 Sep 1893, Fremantle, Western Australia, Australia [Father: natural] [Mother: natural] |
| | 7. Sinclair, Grace Elizabeth, b. 8 Oct 1892, Fremantle, Western Australia, Australia d. 1974, Perth, Western Australia, Australia (Age 81 years) [Father: natural] [Mother: natural] |
| | 8. Sinclair, John Ringwood Calder, b. 1890, Fremantle, Western Australia, Australia [Father: natural] [Mother: natural] |
| | 9. Sinclair, Geoffrey [Father: natural] [Mother: natural] |
|