Ernestine Louise Augusta van Heemskerck
| Family | Pedigree | Reports |
| Ernestine Louise Augusta van Heemskerck |
| b. 15 Sep 1890 |
| d. 26 Mar 1971 |
| Willem Ertwin Frederik van Heemskerck |
| b. 8 Apr 1854 |
| d. 24 Sep 1893 |
| Johanna Wilhelmina David von Franquemont |
| b. 13 Jun 1853 |
| d. 23 Aug 1906 |
| Willem Ertwin Fredrik van Heemskerck |
| b. 10 Jul 1824 |
| d. 20 May 1880 |
| Engekende Ni Ho |
| b. |
| d. |