| 1. Carl Christoph Köppen, b. 4 Nov 1852, Appeldorn, Nordrhein-Westfalen, Germany d. Yes, date unknown | | 2. Helena Catharina Köppen, b. 9 Mar 1856 d. Yes, date unknown | | 3. Johan Heinrich Köppen, b. 31 Oct 1858, Appeldorn, Nordrhein-Westfalen, Germany d. Yes, date unknown | | 4. Helena Maria Köppen, b. 24 Apr 1861, Appeldorn, Nordrhein-Westfalen, Germany d. Yes, date unknown | | 5. Hendrina Katharina Köppen, b. 6 Apr 1864, Appeldorn, Nordrhein-Westfalen, Germany d. Yes, date unknown | | 6. Helena Louise Köppen, b. 11 Jan 1867, Appeldorn, Nordrhein-Westfalen, Germany d. Yes, date unknown | | 7. Karl Heinrich Köppen, b. 29 Sep 1869, Appeldorn, Nordrhein-Westfalen, Germany d. Yes, date unknown | | 8. Elisabeth Köppen, b. 23 Apr 1871, Appeldorn, Nordrhein-Westfalen, Germany d. Yes, date unknown | |