1  Gotthard Johann Daniel Langmann (19 Mar 1833 Wahlstorf, Mecklenburg – 5 Mar 1917 Scott, USA)   +  Mary Schmeto        2  Amelia Langmann (1868 Iowa, USA – )         +  William Gottsch        2  Charles Langmann (1869 Iowa, USA – )      2  Bernhard Langmann (1873 Iowa, USA – )      2  Harmen Langmann (1877 Iowa, USA – )