1  Carl Johann Langmann    +  Kleij(?) Christina Klein       2  Johann Carl Langmann (1787 Marggrabowa, East Prussia, Germany – )      2  Georg Langmann (1789 Marggrabowa, East Prussia, Germany – )      2  Christian Langmann (1791 Marggrabowa, East Prussia, Germany – )         +  Anna Schneider             3  Henriette Langmann (1820 – )               +  Christian Kozlatirs                +  Fritz Fischer             3  Caroline Langmann (1824 – )            3  Juste Langmann (1826 – )            3  Wilhelmina Langmann (1828 – )            3  Charlotte Langmann (1831 – )            3  Friedrich Langmann (1835 – )               +  Wilhelmina Kowalczyk                   4  August Langmann (1872 – )                  4  Friedrich Langmann (1874 – )