| 1. Jan Leonardus Hendrik Jansen, b. Sun 11 Aug 1889, Groningen, Groningen, Nederland d. Wed 12 Feb 1930, Groningen, Groningen, Nederland (Age 40 years) ▻ Martha Pekelder, m. Thu 29 Jul 1920 | | 2. Frederik Johan Adolf Jansen, b. Fri 20 Feb 1891, Groningen, Groningen, Nederland d. Mon 20 Jul 1891, Groningen, Groningen, Nederland (Age 0 years) | | 3. Frederika Johanna Adolphina Jansen, b. Wed 25 May 1892, Groningen, Groningen, Nederland d. Wed 11 Oct 1916, Groningen, Groningen, Nederland (Age 24 years) | | 4. Leonardus Nicoladus Johannes Jansen, b. Thu 27 Jul 1893, Groningen, Groningen, Nederland d. Mon 12 Mar 1894, Groningen, Groningen, Nederland (Age 0 years) | | 5. Leonardus Nicoladus Johannes Jansen, b. Sun 28 Jul 1895, Groningen, Groningen, Nederland d. Yes, date unknown ▻ Maria Braamhorst, m. Thu 24 Dec 1925 | | 6. Meta Henderika Jansen, b. Sat 13 Feb 1897, Groningen, Groningen, Nederland d. Mon 16 Aug 1897, Groningen, Groningen, Nederland (Age 0 years) | | 7. Meta Henderika Johanna Jansen, b. Sat 04 Mar 1899, Groningen, Groningen, Nederland d. Yes, date unknown | | 8. NN Jansen, b. Sun 16 Dec 1900, Groningen, Groningen, Nederland d. Sun 16 Dec 1900, Groningen, Groningen, Nederland (Age 0 years) | | 9. Reinieres Johannes Jansen, b. Mon 07 Apr 1902, Groningen, Groningen, Nederland d. Fri 04 Feb 1944, Groningen, Groningen, Nederland (Age 41 years) ▻ Wilhelmina Klazina Rutjes | | 10. NN Jansen, b. Wed 01 Jun 1904, Groningen, Groningen, Nederland d. Wed 01 Jun 1904, Groningen, Groningen, Nederland (Age 0 years) | |