Katharina Kreb
1846 - (
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Katharina Kreb [1] b. 1846
- Ludwig Mertz b. 10 Aug 1841
- 2 Ludwig Mertz [1.1] b. 24 Dec 1868
- Franziska Bereswill b. 1870
- 3 Josef Mertz [1.1.1] b. 12 Oct 1896 d. 1959
- Katharina Griessmer b. 1899 d. 1973
- 4 Otto Mertz [1.1.1.1] b. 21 Apr 1921 d. 1 Nov 1942
- 4 Otto Mertz [1.1.1.1]
- 3 Josef Mertz [1.1.1]
- 2 Maria Anna Amalia Mertz [1.2] b. 30 Jul 1870
- Johannes Griesemer b. 12 Sep 1869
- 3 Katharina Griesemer [1.2.1] b. 1894
- + Joseph Mertz b. 1892
- + Joseph Mertz b. 1892
- 3 Katharina Griesemer [1.2.1]
- 2 Ludwig Mertz [1.1]