1  Rudolf Wilhelm Georg Bernhard Langmann (19 Apr 1840 Neustrelitz, Mecklenburg, Germany – 31 Dec 1921 Copenhagen, Denmark)   +  Ingeborg Clara Nicoline von Waitz (12 Aug 1850 Holmens, Copenhagen, Denmark – 12 Mar 1924 Copenhagen, Denmark)      2  Harald Rudolf Langmann (6 Apr 1881 Hamburg, Germany – 1957 Frederiksund, Denmark)         +  Edith Emilie Hvidsteen (3 May 1883 Slagelse, Denmark – 12 May 1949 Frederiksund, Denmark)            3  Richard Robert Langmann (4 Mar 1904 Copenhagen, Denmark – 31 Jul 1992 North Vancouver, British Columbia, Canada)               +  Inger Margrethe Johanne Larsen (26 Jul 1907 Copenhagen, Denmark – 2 Oct 2007 Burnaby, British Columbia, (Passed at 1615))            3  Jorgen Harald Langmann (24 May 1918 – )               +  Grethe Iversen (7 Jul 1920 – )               +  (Name Unknown)      2  Robert Christoph Langmann (2 Oct 1873 – )         +  Sophie _____             3  Rudolf ’Rudi’ Langmann (1900 – 1917)            3  Franz Langmann (1904/5 – bet 1925 and 1927 Darmstadt, Germany)            3  Marie ’Marichen’ Langmann (1902/3 – )      2  Axel Langmann (1874 – 1890)      2  Ingeborg Langmann (3 Apr 1876 Hamburg – 12 Oct 1936 Aarhus, Denmark)