Otto Martin Siebert
1884 - 1964 (80 years)(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Otto Martin Siebert [1] b. 16 Feb 1884 d. 4 Apr 1964
- Lydia Katherine Petri b. 4 Jan 1893 d. 27 Dec 1983
- 2 William L. Siebert [1.1]
- 2 William L. Siebert [1.1]