| 1. Theodorus Henderikus Johannes Valk, b. Tue 09 Feb 1892, Groningen, Groningen, Nederland d. Yes, date unknown | | 2. Maria Cecilia Elisabeth Valk, b. Wed 10 May 1893, Groningen, Groningen, Nederland d. Tue 02 May 1905, Groningen, Groningen, Nederland (Age 11 years) | | 3. Hermanus Henricus Valk, b. Sun 26 May 1895, Groningen, Groningen, Nederland d. Yes, date unknown ▻ Cornelia Fleer, m. Thu 25 Oct 1923 | | 4. Henricus Hermanus Valk, b. Sun 26 May 1895, Groningen, Groningen, Nederland d. Sun 05 Jan 1896, Groningen, Groningen, Nederland (Age 0 years) | | 5. Cecilia Hillegonda Catharina Valk, b. Tue 25 Jun 1901, Groningen, Groningen, Nederland d. Mon 02 Jun 1958, Groningen, Groningen, Nederland (Age 56 years) | | 6. Bernardus Harmannus Valk, b. Tue 28 Aug 1906, Groningen, Groningen, Nederland d. Yes, date unknown | | 7. Maria Mathilda Catriena Valk, b. Tue 28 Aug 1906, Groningen, Groningen, Nederland d. Yes, date unknown | |