1  Heinrich Langmann (abt 1700 – Jan 1744)   +  Catharina Elisabeth _____       2  Hans Joachim Langmann (22 Dec 1740 Ahrensberg, Mecklenburg, Germany – )         +  (Name Unknown)            3  Anna Catharina Langmann                +  Johann Friedrich Ketel                   4  Anna Maria Ernestina Ketel (24 Sep 1802 Ahrensberg, Mecklenburg, Germany – )      2  Johann Christian Langmann (6 Feb 1743 Ahrensberg, Mecklenburg, Germany – 1792 Ahrensberg, Mecklenburg, Germany)         +  Charlotte Esther Kohn (1755 Ahrensberg, Mecklenburg, Germany – 25 Dec 1817 Ahrensberg, Mecklenburg, Germany)            3  Catharina Maria Langmann (17 Feb 1779 Ahrensberg, Mecklenburg, Germany – )               +  Daniel Andreas Friedrich Stein                +  Karl Ernst Boettger             3  Johann Karl Joachim Langmann (31 Dec 1780 Ahrensberg, Mecklenburg, Germany – )               +  Helena Sophia Christina Schmidt             3  Charlotta Dorothea Langmann (28 Nov 1782 Ahrensberg, Mecklenburg, Germany – )            3  Marta (Maria?) Elisabeth Langmann (28 Oct 1783 Ahrensberg, Mecklenburg, Germany – )               +  Andreas Simon Ansthern             3  Johann Christian Langmann (3 Jan 1793 Ahrensberg, Mecklenburg, Germany – )