Hans married Anne Sophie Hinze on 29 Jan 1837 in Beckedorf, Schaumburg, Niedersachsen, Germany. Anne (daughter of Conrad Cord Heinrich Hinze and Ilse Marie Soehle) was born on 11 Jul 1807 in Algesdorf, Schaumburg, Niedersachsen, Germany; died in 1851 in USA. [Group Sheet] [Family Chart]

1. Engel Marie Sophie Gummer was born on 17 May 1839 in Beckedorf, Schaumburg, Niedersachsen, Germany; died in in USA.
2. Friedrich Wilhelm Gummer was born on 18 Jan 1844 in Beckedorf, Schaumburg, Niedersachsen, Germany; died in in USA.
3. Engel Dorothee Friederike Gummer was born on 2 Oct 1846 in Beckedorf, Schaumburg, Niedersachsen, Germany; died in in USA.