Children |
+ | 1. Lena de Koning , b. 21 Jun 1894, Groningen, Groningen , d. 20 Oct 1970, Groningen, Groningen (Age 76 years) |
| 2. Albertus de Koning , b. 20 Apr 1897, Groningen, Groningen , d. Yes, date unknown |
| 3. Siewert de Koning , b. 03 Apr 1899, Groningen, Groningen , d. 25 Jul 1941, Emden, Ostfriesland, Niedersachsen, Deutschland (Age 42 years) |
| 4. Johanna Elizabeth de Koning , b. 12 Aug 1901, Groningen, Groningen , d. 13 May 1902, Groningen, Groningen (Age 0 years) |
| 5. Klaziena de Koning , b. 04 Apr 1903, Groningen, Groningen , d. 29 Aug 1903, Groningen, Groningen (Age 0 years) |
| 6. Catharina Elizabeth de Koning , b. 17 Aug 1904, Groningen, Groningen , d. Yes, date unknown |
| 7. Pieter Johannes de Koning , b. 30 Nov 1907, Groningen, Groningen , d. Yes, date unknown |
| 8. Zwaantje de Koning , b. 02 Oct 1910, Groningen, Groningen , d. Yes, date unknown |
|