1  Ernst Carl Christian Langmann (31 Oct 1833 – 25 Oct 1902)   +  Augusta Köppen (20 Jun 1851 – 14 Jun 1917)      2  Helene Langmann (6 Apr 1870 – 3 Feb 1937)         +  Hugo Schönrock (27 Jun 1867 Neustrelitz, Mecklenburg – )            3  Willi Schönrock ( – 6 Sep 1917 Cambrai, Frankreich)            3  Käte Schönrock (16 Nov 1896 Feldberg, Mecklenburg – )      2  Margarete Langmann (22 Apr 1871 – )         +  August Kuhlow (20 Oct 1860 – 8 Feb 1938)            3  Walter Kuhlow (15 Jun 1892 – )               +  Maria Wagner (8 Jan 1894 – )            3  Hedwig Kuhlow (3 Aug 1894 – )               +  Paul Burmeister (3 Aug 1891 – )                  4  Josefin Burmeister (12 Feb 1921 – )                  4  Hannelore Burmeister (3 Oct 1928 – )      2  Johanna Langmann (16 Mar 1873 – )      2  Elisabeth Langmann (28 Oct 1875 – )      2  Friedrich Langmann (3 Jan 1877 – 16 Feb 1916 Kriegslazaret Bonn)