| Siep Koopmans |
| Siep Koopmans | |
| B: | 30 Nov 1952 |
| Winschoten, Groningen, The Netherlands | |
| D: | 7 Mar 2020 |
| Drachten, Friesland, The Netherlands | |
![]() | Henriette Maud IDZERDA |
| Henriette Maud IDZERDA | |
| B: | 26 Apr 1929 |
| Djatiroto (Pasoeroean), Java, DEI | |
| D: | 08 Mar 2010 |
| Drachten, Friesland, The Netherlands | |
![]() | Eduard Emil DERKSEN |
| Eduard Emil DERKSEN | |
| B: | 19 Sep 1928 |
| Salatiga, Java, DEI | |
| M: | 9 Aug 1950 |
| Jakarta, Java, Indonesia | |
| D: | 21 Sep 1950 |
| Jakarta, Java, Indonesia | |
| Everardus Sjoerd IDZERDA |
| Everardus Sjoerd IDZERDA | |
| B: | 23 Mar 1894 |
| Sitobondo | |
| D: | 25 Dec 1977 |
| Drachten | |
| Antonetta Maria van den Bemd |
| Antonetta Maria van den Bemd | |
| B: | 22 May 1910 |
| Semarang | |
| D: | 12 Jan 1995 |
| Bandoeng | |
|
| Aurelius IDZERDA |
| Aurelius IDZERDA | |
| B: | 29 Nov 1860 |
| Bolsward | |
| D: | 16 Aug 1932 |
| Lawang | |
| Petronella Theresia Retèl |
| Petronella Theresia Retèl | |
| B: | 2 Jun 1874 |
| Kepahiang | |
| D: | 27 Feb 1962 |
| Zwollerkerspel | |