1 Louis Klaas, ev., * 1810 (?)
- -+
oo X 1854 (v) mit Henriette (Louise) Böke (Boeke), * 1832 (?)
- -+ 2 Friederich Klaas, ev., * 19.07.1854 Epleyanna, Rock Run Township, Stephenson Co/IL.
- oo 1/1 K 14.02.1878 Rock Grove, IL mit Louise Schroedermeier, * 05.11.1853, † 03.11.1889
- -+ oo 2/1 X 1899 (v) mit Ida Copang, * 1874 (?)
- 3 Elmer Louis Klaas, ev., * 08.03.1899 Spring Grove, IL
3 Mabel Louanne Klaas, ev., * 08.06.1900 Spring Grove, IL
- 2 Heinrich Klaas, ev., * 28.09.1856 (v) Epleyanna, Rock Run Township, Stephenson Co/IL.
- -+ 2 Maria Wilhelmine Klaas, ev., * 19.09.1859 Epleyanna, Rock Run Township, Stephenson Co/IL.
- -+
= oo K 24.02.1881 Epleyanna, Rock Run Township, Stephenson Co/IL. mit Heinrich Holste, * 18.01.1855 Epleyanna, Rock Run Township, Stephenson Co/IL. 
- 3 NNw Holste, ev., * 23.06.1883. † 23.06.1883
- 2 Maria Caroline Klaas, ev., * 09.07.1861 Epleyanna, Rock Run Township, Stephenson Co/IL.
- 2 Hermann August Klaas, ev., * 20.09.1863 Epleyanna, Rock Run Township, Stephenson Co/IL.