1  Friedrich Wilhelm Adolph Langmann (1836 Heiden, Lippe – )   +  Amalia Louise Berkenkamp (1840 Heiden, Lippe – )      2  Gustav Wilhelm August Langmann (22 Aug 1862 Heiden, Lippe – )      2  Friedrich Christof Berkenkamp Langmann (5 Jan 1866 Heiden, Lippe – 18 Jun 1866)