Karl married Margaret Krebs on 21 Aug 1861 in Butler County, Pennsylvania, USA. Margaret (daughter of Johannes Wilhelm Krebs and Sabina Dittmer) was born on 21 Nov 1843 in Butler County, Pennsylvania, USA. [Group Sheet] [Family Chart]

1. Philomena Kaiser was born on 10 Aug 1863 in Butler County, Pennsylvania, USA; died on 2 Aug 1950 in Pittsburgh, Allegheny County, Pennsylvania, USA.
2. Peter Kaiser was born on 3 Dec 1864 in Butler County, Pennsylvania, USA.
3. Mary Ann Kaiser was born on 7 Aug 1866 in Butler County, Pennsylvania, USA.
4. Joseph Kaiser
5. Rosa Kaiser was born on 31 Oct 1869 in Butler County, Pennsylvania, USA; died on 16 May 1952 in Pittsburgh, Allegheny County, Pennsylvania, USA.
6. Martha Kaiser
7. Barbara Kaiser
8. Anna Kaiser
9. Sophia Kaiser
10. Elizabeth Kaiser
11. William Leo Kaiser
12. Charles Ferdinand Kaiser
13. Bernard Kaiser
14. Emma Kaiser