Johann married Margaretha Dorothea Johanna Laage on 28 Mar 1815 in Plön Altstadt, Lütjenburg, Germany. Margaretha (daughter of Matthias Marten August Laage and Christina Charlotte Hanssen) was born on 04 Mar 1776 in Plön Altstadt, Lütjenburg, Germany; was christened on 06 Mar 1776 in Plön Altstadt, Lütjenburg, Germany; died on 28 Apr 1859 in Plön Altstadt, Lütjenburg, Germany; was buried on 05 May 1859 in Plön Altstadt, Lütjenburg, Germany. [Group Sheet] [Family Chart]