Individual Details
Living
( - )
Families
| Father | John Orville DEMAREST (1839 - 1933) |
| Mother | Matilda Louise VANDERBILT (1838 - 1909) |
| Sibling | Living |
| Sibling | John Willard DEMAREST (1866 - 1922) |
| Sibling | Frederick DEMAREST (1868 - 1884) |
| Sibling | Bertie W. DEMAREST (1870 - 1872) |
| Sibling | Marguerite B. DEMAREST (1872 - ) |
| Sibling | Effie Tallman DEMAREST (1875 - ) |
| Sibling | Harry DEMAREST (1878 - 1882) |
| Sibling | Living |