Children |
| 1. Gustav Abraham Sy, b. 23 Aug 1859, Schwaneberg, Brandenburg, Germany |
| 2. Bertha Helene Auguste Sy, b. 27 May 1861, Schwaneberg, Brandenburg, Germany |
+ | 3. Ernst Abraham Carl Sy, b. 25 Nov 1862, Schwaneberg, Brandenburg, Germany |
| 4. Helene Marie Auguste Sy, b. 11 Aug 1864, Schwaneberg, Brandenburg, Germany |
| 5. Marie Berthe Louise Sy, b. 1 Dec 1866, Schwaneberg, Brandenburg, Germany |
| 6. Elise Bertha Auguste Sy, b. 13 Sep 1868, Schwaneberg, Brandenburg, Germany |
| 7. Auguste Bertha Magdelena Sy, b. 31 Dec 1870, Schwaneberg, Brandenburg, Germany |
| 8. Max Arnim Traugott Sy, b. 12 Apr 1875, Schwaneberg, Brandenburg, Germany |
| 9. Wilhelm August Hermann Sy, b. 13 May 1878, Schwaneberg, Brandenburg, Germany |
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