| 1. Hindrik Blaak, b. Mon 19 Oct 1896, Musselkanaal, Onstwedde, Groningen, Nederland d. Yes, date unknown ▻ Jantje Goeree, m. Thu 06 Dec 1917 | | 2. Cornelis Blaak, b. Sun 13 Feb 1898, Valthermond, Odoorn, Drenthe, Nederland d. Fri 12 Dec 1924, Emmen, Drenthe, Nederland (Age 26 years) ▻ Arendje Booij, m. Thu 23 Jan 1919 | | 3. Margrietha Blaak, b. Mon 18 Dec 1899, Valtherveen, Odoorn, Drenthe, Nederland d. Yes, date unknown ▻ Jouke Bakker, m. Sat 26 Mar 1921 | | 4. Annichje Blaak, b. Mon 23 Sep 1901, Valthermond, Odoorn, Drenthe, Nederland d. Yes, date unknown | | 5. Rikste Blaak, b. Cal 1904, Emmen, Drenthe, Nederland d. Mon 08 Mar 1909, Emmen, Drenthe, Nederland (Age 5 years) | | 6. NN Blaak, b. Mon 27 Mar 1905, Emmen, Drenthe, Nederland d. Mon 27 Mar 1905, Emmen, Drenthe, Nederland (Age 0 years) | | 7. NN Blaak, b. Wed 04 Apr 1906, Emmen, Drenthe, Nederland d. Wed 04 Apr 1906, Emmen, Drenthe, Nederland (Age 0 years) | + | 8. Aaltje Blaak, b. Fri 29 Nov 1907, Emmen, Drenthe, Nederland d. Yes, date unknown ▻ Johannes Gerharudus Grootelaar, m. Cal 1938 | | 9. Berend Blaak, b. Cal May 1913, Emmen, Drenthe, Nederland d. Tue 01 Jul 1913, Emmen, Drenthe, Nederland (Age 0 years) | + | 10. Berend Mettinus Wiebe Blaak, b. Sat 01 Aug 1914, Emmen, Drenthe, Nederland d. Yes, date unknown ▻ Geertje Uitslag, m. Sat 09 Oct 1937 | | 11. NN Blaak, b. Sun 23 Jul 1916, Emmen, Drenthe, Nederland d. Sun 23 Jul 1916, Emmen, Drenthe, Nederland (Age 0 years) | |