Individual Details
Jacoba Cornelia de Beer
( - )
Families
| Father | Izak Matthys de Beer (1827 - ) |
| Mother | Maria Petronella Wessels (1831 - 1877) |
| Sibling | Elizabeth Helena de Beer (1850 - ) |
| Sibling | Anna Susanna de Beer (1850 - 1886) |
| Sibling | Maria Petronella de Beer (1855 - ) |
| Sibling | Anna Christina de Beer (1860 - ) |
| Sibling | Izak Matthys de Beer (1870 - ) |
| Sibling | Helletje Magdalena de Beer ( - ) |
| Sibling | Wesselina Hendrina Cornelia de Beer (1874 - 1941) |
| Sibling | Samuel Johanna de Beer (1876 - ) |