| Father | Johan Hendrik Breytenbach (1813 - 1878) |
| Mother | Anna Catharina Viljoen (1820 - 1870) |
| Sibling | Hester Maria Breytenbach (1840 - ) |
| Sibling | Elizabeth Maria Breytenbach (1842 - ) |
| Sibling | Johan Hendrik Breytenbach (1845 - ) |
| Sibling | Catharina Elizabeth Margaretha Breytenbach (1847 - ) |
| Sibling | Elsie Magdalena Johanna Breytenbach (1852 - ) |
| Sibling | Izak Johannes Breytenbach (1855 - 1910) |
| Sibling | Stephanus Petrus Breytenbach (1857 - ) |
| Sibling | Maria Magdalena Breytenbach (1860 - ) |
| Sibling | Johannes Jacobus Breytenbach (1862 - ) |
| Sibling | Jacob Coenraad Breytenbach (1865 - ) |