Individual Details
Living
( - )
Families
| Father | William Sinclair (1886 - ) |
| Mother | Living |
| Sibling | Thomas Sinclair (1908 - ) |
| Sibling | Francis Sinclair (1909 - 1914) |
| Sibling | William Stevenson Sinclair (1911 - ) |
| Sibling | Living |
| Sibling | Francis Sinclair (1909 - 1914) |