Children |
| 1. Hermanna Henderika Josephina Gundlach, b. 10 March 1891, Oosterdiep, Veendam, Groningen, Nederland |
| 2. Margaretha Thecla Maria Gundlach, b. 12 July 1892, Oosterdiep, Veendam, Groningen, Nederland |
| 3. Francisca Catharina Maria Gundlach, b. 19 August 1893, Veendam, Groningen, Nederland |
| 4. Elizabeth Harmanna Gundlach, b. 14 July 1895, Veendam, Groningen, Nederland |
| 5. Catharina Maria Gundlach, b. 15 January 1898, Veendam, Groningen, Nederland |
| 6. Willebordus Sieverinus Maria Gundlach, b. 25 January 1900, Veendam, Groningen, Nederland |
| 7. Thecla Jacoba Carolina Gundlach, b. 06 December 1901, Veendam, Groningen, Nederland |
| 8. Willebrorda Sieverdina Gundlach, b. 24 May 1904, Veendam, Groningen, Nederland |
| 9. Maria Louise Gundlach, b. 17 January 1906, Veendam, Groningen, Nederland |
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