Lydia Katherine Petri
1893 - 1983 (90 years)(
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- 1 Lydia Katherine Petri [1] b. 4 Jan 1893 d. 27 Dec 1983
- Otto Martin Siebert b. 16 Feb 1884 d. 4 Apr 1964
- 2 William L. Siebert [1.1]
- 2 William L. Siebert [1.1]