| Father | Peter Nichols Sr (1835 - 1881) |
| Mother | Julia Fair (1840 - 1880) |
| Sibling | Mary Nichols (1857 - ) |
| Sibling | Martha Nichols (1859 - ) |
| Sibling | Josaphine P "Josie" Nichols (1859 - 1921) |
| Sibling | Clark Nichols (1860 - ) |
| Sibling | Peter Nichols Jr (1860 - ) |
| Sibling | Susan Nichols (1862 - ) |
| Sibling | Henry Nichols (1863 - ) |
| Sibling | James Nichols (1864 - ) |
| Sibling | David Nichols (1865 - ) |
| Sibling | Fannie Nichols (1865 - ) |
| Sibling | Ellen Nichols (1866 - ) |
| Sibling | Abraham Nichols (1867 - ) |
| Sibling | Victoria Nichols (1869 - ) |
| Sibling | Willie Ann Nichols (1870 - ) |
| Sibling | Edward Nichols (1872 - ) |
| Sibling | John Nichols (1876 - ) |